The local Family Video here in Evansville have had a great sale on for the past couple of weeks. They are selling their ex-rental games at $9.99 each. (which isn't bad considering the store has only been open a couple of months, so the condition of the games are pretty good)
I grabbed Splinter Cell Chaos Theory and Gran Turismo 4. They also had Harry Potter & The Prisoner of Azkaban, Call Of Duty Finest Hour, Dead To Rights II, Goldeneye Rogue Agent, Brothers In Arms (first one) and a few other good games for the PS2.
I noticed they also had Halo 2, NFSU2 and Merceneries for X-Box and Picmin 2 for the Cube. (I don't own those systems, so I can't say if they had more)
Unfortunately they put the sale on their big sign on the main road so a lot of the titles could be gone now. Just thought I would pass on the info