I myself have all 3 systems and for recommondations, I'd say go with the Xbox360. The Wii is fun, the sports games that come with it, you'll play for a while, especially when people are over, HOWEVER, when you just want to sit down and play a kick ass game, the 360 is the way to go. If you want to keep the chicks entertained, wait until Guitar Heroes 2 comes out for the Xbox360 in another couple of months and you'll be set.
Back to the Wii, the thing I hate about it is the the fact that it's NOT hi-def, so when I go from the 360 to the PS3, graphics are mind blowing, then I fire up the old non-hi-def Wii and it really doesn't look too hot on my 40-inch LCD tv.
As far as the PS3 goes, if you want a system that has a LOT of potential, jump on one. There's not a lot of games out for it now, but in the coming months, there's some good ones coming out. I do love my PS3
