PS3: Uncharted: Drakes Fortune (number 1 system seller)
Other games that help persuade:
Resistance
Killzone 2
MGS4
CoD4 (I didn't even know that it was going on to be modern combat at the time... 2 was just so awesome).
Feature: Free online, HDMI port, BD player
360: Fable 2
Other games that help persuade:
Halo 3
Gears of War
Viva Pinata
Feature: Achievements
Wii: Galazy
Other games:
Brawl
Okami
Zack and Wiki
No More Heroes
Dewi's Adventure
Feature: Controller, Virtual Console
PSP: Daxter
Other:
God of War
Mercury
Lumines II
Ratchet and Clank
Pursuit Force
Twisted Metal
Loco Roco
Patapon
Killzone Liberation
Metal Gear: Special Ops
Feature: Remote Play, portable music player, access files anywhere, connect to a TV.
DS: New Super Mario Bros
O:
Brain Training
Metroid
Mario 64
Zelda PH
Phoenix Wright
Feature: Opera