Minsky raises a good point. From what I've seen of the Revolution (I still hate the Wii name, and their reasoning for selecting Wii makes absolutely no sense), the Wiimote is essentially a Gamecube accessory anyway since the hardware is marginally more powerful at best. They just put the Gamecube into a prettier package and added some functionality that should've come with the Gamecube in the first place.
Now, part of my pessimism (maybe all) stems from a complete and utter lack of faith in Nintendo more or less since the SNES. They've simply made one stupid decision after the other: carts for 64 (which directly led to Sony creating Playstation), mini-dvds for Gamecube (switching discs in Tiger Woods on one course over and over is tons of fun!), not making games for the video gamers that built the company, believing that online gaming was just a fad, and so on.
With the Wii, they've overpriced their virtual console games, which was the only real selling point for me. They've put all their eggs in one basket with the Wiimote and I am not convinced that it is going to work for enough games. One appeal was the potential for changing FPS gameplay for the better. Unfortunately, everything I've read suggests it is doing nothing of the kind and that the interface doesn't work out too well. The other problem is that FPS games, more than any other (save for sports games maybe), are dependent on good graphics. Look at the Far Cry screens for the console, they are early PS2 quality graphics at best. Gameplay can overcome a lot, but there is a point that you look at the competition's similar product and just wonder what you're doing with the inferior model. I would love to see Nintendo succeed again outside the handheld market and the 3 or 4 good games they release per generation (post-SNES), but I don't know that it will happen this generation, if ever.
As for PS3, it's just too damn expensive and I don't know that I want an early generation Blu-ray player (I've heard there are lots of problems with double layer discs, which means no 50GB storage yet). I mean, Sony hasn't been known for producing the most reliable hard ware out there. My first PS2 was never backwards compatible and barely played DVDs after only a couple years. I also just can't stand the advertisements they've been pushing lately. I can't even read the release date which looks like a bunch of slashes followed by a 7. If I didn't already know the date, I would be very confused. I know I'll pick one up eventually, but I just find it hard to justify purchasing one so early in the game. I'm also worried that Sony can't be making money on these consoles even at $600 a pop. A Blu-ray player alone costs nearly twice that. While Sony has said first party games will be $59.99 like 360, they have not put that same restriction on third party developers. If development costs are as high as some are suggesting we might see even higher priced games coming from everyone that isn't Sony.
I think I'll be content to play my 360 for the time being.