The whole thing about GAME selling only in bundles is nonsense. All you have to do is ask for one Wii. If they push a bundle on you, say "No thanks, just the Wii." It's what I did for mine, and my DS.
Well, actually, I renegotiated the DS bundle and got the 2 games package, but I got to pick the games. But still, they cannot force you to buy something you don't want. They can refuse to serve you full stop (on the grounds that the person behind you in the queue is prepared to pay it) but they can't force you to pay more than you're prepared to do.
Just don't buy from the website.