I'd agree with Bokishi, but only for games like Halo, Call of Duty and the like. FPSs where you have to tell your men where to go (Brothers in Arms, Ghost Recon) are better on consolse in my opinion. The mouse just doesn't cut it.
Revolutionary or not, the system is going to take some time to get used to. I doubt that you'll be able to play a game with you're friends Wii unless you've got one yourself.