I bought a PS3 for The Show 08, haven't regretted it ONE BIT. Been a fantastic console so far and The Show alone makes the entire system worth it. And I honestly mean that. The rest is just icing on the cake, the cool thing is there's a shitton of icing! I own 3 times as many games on my PS3 as 360, and that's not a knock on 360 at all, I love it too, but DAYAMN, get a ps3 if you don't have one, you will love it.
Now if I can't just find a use for my wife's Wii... tempted to get the NASCAR Kart game but it's pretty bare for a sports gamer other than that (I do not like the swing mechanics in Tiger). The game that gets the most play is the pack in, Wii Sports. The tennis is awesome fun with 3 other people over.