The Wii will rape. I can't believe you didn't mention it's greatest feature...THE VIRTUAL CONSOLE!!! That's right, the Wii connects to a database housing damn near every game Nintendo has ever made and some Sega games. For a small fee, you're supposed to be able to buy the rights to ROMS and be able to play games from old systems anytime you want.
Also the controller, it's fresh and innovative, something that is definitely missing in the videogame market these days. The idea of playing Zelda and just swinging the conrtoller to control Link's sword in a fight is really cool.
Plus the Wii is really not that much more powerful than the Gamecube, it's just been made to accomodate new features such as WiFi and the conroller. Nintendo announced it's return to making games with good a good balance of graphics, gameplay and replay value rather than solely focusing on graphics...graphics...graphics. And I think this will bring back a lot of gamers that grew up with the atari, commodore 64, NES and those that can remember the Sega vs NES days that the current gaming market has forgotten and driven away.
Anyways, the Wii will defintely be a family console much like the original NES and that is in no means a bad thing. I remember when I was a kid me and my family used to actually spend time together and play games like Duck Hunt and Zelda and everyone had fun. Plus it's why Nintendo changed the name of the system from Revolution to Wii...to incorporate the family idea.
Yes I am a Nintendo fanboy haha, but I do really think the PS3 and Xbox 360 will just be more of the same in terms of the last generation of consoles...just prettier (as the Xbox 360 has already shown). I do love my PS2 though, but only because of Square and some other makers of RPG's
Eidt: fixing more of my spelling errors...