Your best bet is probably ebay.com
I use it alot to find games and accessories for the wonderswan.
Usually you have to find the special copies of games to get accessories, like the special edition of ringu or "ring" that comes with a headphone adapter. You just have to look closely at item...
My advice if you haven't already got one would be to check pawn shops.
It seems the real hardcore gamers are upgrading their xbox 360's to the new model that includes wireless and are selling their adapters for cheap.
I recently picked up a black adapter for $22 at my local pawn shop. They...
My only recommendation is Game Center CX: Arino no Chousenjou 2 for the DS, it is the sequel to retro game challenge.
Its a fun game that basically has a bunch of games inspired by old famicom games. They are fun little games and you unlock them by doing challenges.
The Jack in the Box contest is already over.
The coupon that you got from the guy should not have been printed. It is a game piece that is pulled off of the large size cups.