Instead of editing the first post, I'm just going to put the finds at the end of the thread with everyone else. Here, I'll post the interesting links that I have, in case you're looking for something.
Playstation used sorted by price, high to low
http://www.ebgames.com/ebx/categories/products/deptpage.asp?web_dept=playstation&order=list_price&intpageno=1&ordersort=desc&nooftens=1&rowsperpage=75
Dreamcast used sorted by price, high to low
http://www.ebgames.com/ebx/categories/products/deptpage.asp?web_dept=dreamcast&order=list_price&intpageno=1&ordersort=desc&nooftens=1&rowsperpage=75
Super Nintendo used sorted by price, high to low
http://www.ebgames.com/ebx/categories/products/deptpage.asp?web_dept=Super+Nintendo&typ=p&nav=p&banna=snes&order=list_price&intpageno=1&ordersort=desc&nooftens=1&rowsperpage=75
Sega Genesis used sorted by price, high to low
http://www.ebgames.com/ebx/categories/products/deptpage.asp?web_dept=Sega+Genesis&typ=p&nav=p&banna=genesis&order=list_price&intpageno=1&ordersort=desc&nooftens=1&rowsperpage=75
NES used sorted by price, high to low
http://www.ebgames.com/ebx/categories/products/deptpage.asp?web_dept=NES&typ=p&nav=p&banna=nes&order=list_price&intpageno=1&ordersort=desc&nooftens=1&rowsperpage=75
Xbox used sorted by price, high to low
http://www.ebgames.com/ebx/categories/products/deptpage.asp?web_dept=xbox&typ=p&order=list_price&intpageno=1&ordersort=desc&nooftens=1&rowsperpage=75
PS2 used sorted by price, high to low
http://www.ebgames.com/ebx/categories/products/deptpage.asp?web_dept=playstation+2&typ=p&order=list_price&intpageno=1&ordersort=desc&nooftens=1&rowsperpage=75
GC used sorted by price, high to low
http://www.ebgames.com/ebx/categories/products/deptpage.asp?web_dept=gamecube&order=list_price&intpageno=1&ordersort=desc&nooftens=1&typ=p&nav=p
Gameboy Color RPGs
http://www.ebgames.com/ebx/categories/products/deptpage.asp?web_dept=gameboy+color&web_sub_dept=RPG
New (as in sealed) Xbox, sorted by price, low to high
New (as in sealed) PS2, sorted by price, low to high
New (as in sealed) GC, sorted by price, low to high
New (as in sealed) all products by price, low to high
http://www.ebgames.com/ebx/categories/products/deptpage.asp?wherefrom=search&searchword=&typ=n&order=list_price&intpageno=1&ordersort=asc&nooftens=1&rowsperpage=75
All preplayed products by price, high to low
http://www.ebgames.com/ebx/categories/products/deptpage.asp?typ=p&nav=p&order=list_price&intpageno=1&ordersort=desc&nooftens=1
All preplayed products by price, low to high
http://www.ebgames.com/ebx/categories/products/deptpage.asp?typ=p&nav=p&order=list_price&intpageno=1&ordersort=asc&nooftens=1
Accessories sorted by price, low to high
http://www.ebgames.com/ebx/categories/products/deptpage.asp?web_sub_dept=Accessories&order=list_price&intpageno=1&ordersort=asc&nooftens=1&rowsperpage=75
(These aren't from today, they're just here so you can find them)
PS1
Grandia
http://www.ebgames.com/ebx/product/167504.asp
Persona
http://www.ebgames.com/ebx/product/130360.asp
Persona 2
http://www.ebgames.com/ebx/product/182580.asp
Rival Schools
http://www.ebgames.com/ebx/product/151356.asp
Suikoden II
http://www.ebgames.com/ebx/product/162744.asp
Valkyrie Profile
http://www.ebgames.com/ebx/product/183874.asp
Koudelka
http://www.ebgames.com/ebx/product/181537.asp
Raystorm
http://www.ebgames.com/ebx/product/136572.asp
Sol Divide
http://www.ebgames.com/ebx/product/232256.asp
Tales of Destiny
http://www.ebgames.com/ebx/product/151362.asp
Threads of Fate
http://www.ebgames.com/ebx/product/179725.asp
Brigandine
http://www.ebgames.com/ebx/product/152489.asp
Kartia
http://www.ebgames.com/ebx/product/148981.asp
Dreamcast
Gunbird 2
http://www.ebgames.com/ebx/product/185315.asp
Power Stone 2
http://www.ebgames.com/ebx/product/185306.asp
Project Justice
http://www.ebgames.com/ebx/product/192073.asp
Mars Matrix
http://www.ebgames.com/ebx/product/191229.asp
Starlancer
http://www.ebgames.com/ebx/product/184391.asp
PS2
Robot Alchemic Drive
http://www.ebgames.com/ebx/product/219769.asp
Skygunner
http://www.ebgames.com/ebx/product/217216.asp
Zone of the Enders 2nd Runner
http://www.ebgames.com/ebx/product/232739.asp
Rez
http://www.ebgames.com/ebx/product/213806.asp
Gitaroo Man
http://www.ebgames.com/ebx/product/208731.asp
Component AV Cable (only 99 cents)
http://www.ebgames.com/ebx/product/190826.asp
Xbox
Arx Fatalis
http://www.ebgames.com/ebx/product/238411.asp
Genesis
Herzog Zwei
http://www.ebgames.com/ebx/product/119223.asp
Shining Force 2
http://www.ebgames.com/ebx/product/118533.asp
Phantasy Star 4
http://www.ebgames.com/ebx/product/147539.asp
Shadowrun
http://www.ebgames.com/ebx/product/118315.asp
Musha
http://www.ebgames.com/ebx/product/117820.asp
Super Nintendo
Secret of Mana
http://www.ebgames.com/ebx/product/118036.asp
Ys III
http://www.ebgames.com/ebx/product/119157.asp
Mario RPG
http://www.ebgames.com/ebx/product/124976.asp
Chrono Trigger
http://www.ebgames.com/ebx/product/119052.asp
Ogre Battle
http://www.ebgames.com/ebx/product/118985.asp
Romance of the Three Kingdoms II
http://www.ebgames.com/ebx/product/118476.asp
Playstation used sorted by price, high to low
http://www.ebgames.com/ebx/categories/products/deptpage.asp?web_dept=playstation&order=list_price&intpageno=1&ordersort=desc&nooftens=1&rowsperpage=75
Dreamcast used sorted by price, high to low
http://www.ebgames.com/ebx/categories/products/deptpage.asp?web_dept=dreamcast&order=list_price&intpageno=1&ordersort=desc&nooftens=1&rowsperpage=75
Super Nintendo used sorted by price, high to low
http://www.ebgames.com/ebx/categories/products/deptpage.asp?web_dept=Super+Nintendo&typ=p&nav=p&banna=snes&order=list_price&intpageno=1&ordersort=desc&nooftens=1&rowsperpage=75
Sega Genesis used sorted by price, high to low
http://www.ebgames.com/ebx/categories/products/deptpage.asp?web_dept=Sega+Genesis&typ=p&nav=p&banna=genesis&order=list_price&intpageno=1&ordersort=desc&nooftens=1&rowsperpage=75
NES used sorted by price, high to low
http://www.ebgames.com/ebx/categories/products/deptpage.asp?web_dept=NES&typ=p&nav=p&banna=nes&order=list_price&intpageno=1&ordersort=desc&nooftens=1&rowsperpage=75
Xbox used sorted by price, high to low
http://www.ebgames.com/ebx/categories/products/deptpage.asp?web_dept=xbox&typ=p&order=list_price&intpageno=1&ordersort=desc&nooftens=1&rowsperpage=75
PS2 used sorted by price, high to low
http://www.ebgames.com/ebx/categories/products/deptpage.asp?web_dept=playstation+2&typ=p&order=list_price&intpageno=1&ordersort=desc&nooftens=1&rowsperpage=75
GC used sorted by price, high to low
http://www.ebgames.com/ebx/categories/products/deptpage.asp?web_dept=gamecube&order=list_price&intpageno=1&ordersort=desc&nooftens=1&typ=p&nav=p
Gameboy Color RPGs
http://www.ebgames.com/ebx/categories/products/deptpage.asp?web_dept=gameboy+color&web_sub_dept=RPG
New (as in sealed) Xbox, sorted by price, low to high
New (as in sealed) PS2, sorted by price, low to high
New (as in sealed) GC, sorted by price, low to high
New (as in sealed) all products by price, low to high
http://www.ebgames.com/ebx/categories/products/deptpage.asp?wherefrom=search&searchword=&typ=n&order=list_price&intpageno=1&ordersort=asc&nooftens=1&rowsperpage=75
All preplayed products by price, high to low
http://www.ebgames.com/ebx/categories/products/deptpage.asp?typ=p&nav=p&order=list_price&intpageno=1&ordersort=desc&nooftens=1
All preplayed products by price, low to high
http://www.ebgames.com/ebx/categories/products/deptpage.asp?typ=p&nav=p&order=list_price&intpageno=1&ordersort=asc&nooftens=1
Accessories sorted by price, low to high
http://www.ebgames.com/ebx/categories/products/deptpage.asp?web_sub_dept=Accessories&order=list_price&intpageno=1&ordersort=asc&nooftens=1&rowsperpage=75
(These aren't from today, they're just here so you can find them)
PS1
Grandia
http://www.ebgames.com/ebx/product/167504.asp
Persona
http://www.ebgames.com/ebx/product/130360.asp
Persona 2
http://www.ebgames.com/ebx/product/182580.asp
Rival Schools
http://www.ebgames.com/ebx/product/151356.asp
Suikoden II
http://www.ebgames.com/ebx/product/162744.asp
Valkyrie Profile
http://www.ebgames.com/ebx/product/183874.asp
Koudelka
http://www.ebgames.com/ebx/product/181537.asp
Raystorm
http://www.ebgames.com/ebx/product/136572.asp
Sol Divide
http://www.ebgames.com/ebx/product/232256.asp
Tales of Destiny
http://www.ebgames.com/ebx/product/151362.asp
Threads of Fate
http://www.ebgames.com/ebx/product/179725.asp
Brigandine
http://www.ebgames.com/ebx/product/152489.asp
Kartia
http://www.ebgames.com/ebx/product/148981.asp
Dreamcast
Gunbird 2
http://www.ebgames.com/ebx/product/185315.asp
Power Stone 2
http://www.ebgames.com/ebx/product/185306.asp
Project Justice
http://www.ebgames.com/ebx/product/192073.asp
Mars Matrix
http://www.ebgames.com/ebx/product/191229.asp
Starlancer
http://www.ebgames.com/ebx/product/184391.asp
PS2
Robot Alchemic Drive
http://www.ebgames.com/ebx/product/219769.asp
Skygunner
http://www.ebgames.com/ebx/product/217216.asp
Zone of the Enders 2nd Runner
http://www.ebgames.com/ebx/product/232739.asp
Rez
http://www.ebgames.com/ebx/product/213806.asp
Gitaroo Man
http://www.ebgames.com/ebx/product/208731.asp
Component AV Cable (only 99 cents)
http://www.ebgames.com/ebx/product/190826.asp
Xbox
Arx Fatalis
http://www.ebgames.com/ebx/product/238411.asp
Genesis
Herzog Zwei
http://www.ebgames.com/ebx/product/119223.asp
Shining Force 2
http://www.ebgames.com/ebx/product/118533.asp
Phantasy Star 4
http://www.ebgames.com/ebx/product/147539.asp
Shadowrun
http://www.ebgames.com/ebx/product/118315.asp
Musha
http://www.ebgames.com/ebx/product/117820.asp
Super Nintendo
Secret of Mana
http://www.ebgames.com/ebx/product/118036.asp
Ys III
http://www.ebgames.com/ebx/product/119157.asp
Mario RPG
http://www.ebgames.com/ebx/product/124976.asp
Chrono Trigger
http://www.ebgames.com/ebx/product/119052.asp
Ogre Battle
http://www.ebgames.com/ebx/product/118985.asp
Romance of the Three Kingdoms II
http://www.ebgames.com/ebx/product/118476.asp