I just happen to work for an electronics distributor and I get GREAT deals on PS2, Xbox, Gamecube and all the games. I can save about $10-$15 per game, but instead of playing console games - I'll stick to Mac games. I mean - that is one of the reasons I payed $2000 for it anyways.
Nintendo has a new device out for the Gameboy Advance called E-Cards that allow you to play all the old Nintendo games on the GBA. Sounds like the games come on credit card sized cards. Here's how it reads:
"Some of the world's greatest classic video games are making a triumphant return! Now, with e-Reader technology, the code for an entire game can be stored on a stack of just five cards! Just slide the e-Reader cards through an e-Reader attached to a Game Boy Advance and you're ready to play."