Guitar Hero 3 for the Wii

I've been keeping my eye out for the Wii version of Guitar Hero III. I enjoyed the Guitar Hero II enough (on the Xbox 360) that I figured I would at least consider buying this game.

Of course, everywhere I go look for the game, they are sold out. I'm having more trouble finding this game than I am getting my Wii in the first place. I did happen to see a bunch of them at a Fry's when it first came out, but I didn't buy it then because I figured I would buy it later when I had more time to play. Little did I know it would be so hard to get later. Maybe it's the must have thing for Christmas.

I don't even want the game all that much. I think it is fun, but not great, and since it's more expensive than a normal game, since you have to buy it with the guitar, I'm more inclined to go buy a game like Super Mario Galaxy. But now I think it's the fact that I can't find it that makes me want it more. How come we always want things we can't have?