I enjoy playing strategy, RPG, both 2D and 3D platforming, and puzzle games on my PC, SNES, NES, Genesis, N64, PSX, and Dreamcast.
If you want to make some trades, you should check out http://www.gametz.com. They have some great deals there and you can trade with other users. It's a wonderful site. I highly recommend it. My username there is Attila.