Naw

I don't think there's been a platform in existence with only one game of interest, so it's impossible for me to say. Even if my reasoning to get a console is solely because of this one game I can't live without, I'm sure there will be a dozen or more I play also.

Nope.

I paid $400 for Brawl. 4 new GCN controllers ( I already had 5 controllers, but they were worn out from my GCN days) plus Wii plus brawl. I bought other games I knew I would want, but Brawl was the primary reason for purchase.

Gamecube: For twin snakes, (Well I sold it after a month)

I bought an N64 for two games and that is all I ever played on it.

I bought a Wii yesterday because the price was cheap, the wife wanted one and I thought the boy might play around with it (he's 3) but the kicker was Madworld...that game looks hella fun. So games for me = just 1, does that count?

^yes

no but i would buy it with a few games in mind like FFXIII FFXIII: versus, god of war, GTA, RE5, tekken 6 ect...
i no 360 will get some of the game i want but when i got my ps3 the where exclusive

Only if you seriously have no interest in buying any other Wii game to play. Still though, it doesn't count because you have other primary reasons for buying the Wii, being your wife and son.