I'll answer this with:
Twilight Princess, Super Paper Mario, Wii Sports, Wii Play, and the looooooong awaited Smash Bros. Brawl.
I mean... if you have something against simplistic fun and just want eye-candy go ahead and play a PS3 game, both systems are fairly new and both systems still have a fairly limited library of games. To me, neither really even have a strong upcoming release list (barring maybe the FF titles.) While I have both systems, I'd say the Wii is still slightly more enjoyable to play b/c of its unorthodox control style. PS3 just doesn't have too much that makes it stand out more than anything else, besides being a less expensive blue-ray player, and very very pretty graphics.
Anyway... that is all completely off topic, so... what would happen so that Haruhi would feel the need to deal 99999999999 damage to Yuki?