Xbox:
13 games (14 if you count JSRF/Sega GT as two)
1 Demo Disc (OXM Disc #24)
GameCube:
11 games (Well, if you cound the Zelda Collectors Edition as 4 then it's 14.)
1 Demo disc (Mario Kart Disc)
Pokémon Colusseum Pre-Order disc (Leftover from work.)
PlayStation 2:
No system yet. (On the 31st.. shhhh...)
1 Demo Disc (Kiosk)
1 DVD Updater
Game Boy Advance:
9 GBA games (8 in boxes, latest was Super Mario Bros. Famicom Mini)
A buttload of eReader cards (At least 1 of each NES-e game excluding Mario Bros.) But no eReader yet.
To go back one generation...
Nintendo 64:
22 games
PlayStation:
66 games
4 Jampack Demo Discs
Dreamcast:
34 Games
1 Generator Demo Disc