When I found out I could get both Pikmin (redesigned for Wii) and Rock Band 2 on Wii, I decided to spring for it.
I tried the Wii Sport things first. I've heard the horror stories of people in their 40s trying the games out and being told their estimated fitness age is in the 80s. I went through the eval and it estimates sedentary, lazy old me at ... 30. Hee.
Pikmin is fun, though it turns out I prefer Pikmin 2.
RB2 is also fun. It turns out that if I have the guide vocal way up, I can fake my way to a pretty good score in "medium" mode for most songs, even if I've never heard it before. I haven't tried Panic! at the Disco or anything like that yet, mind, but just generally speaking, I'm consistently scoring 94% or higher -- even when using Hard mode for songs I do know. I'm not saying it sounds good, but it scores well.
RB2 guitar is another story. I suck. I played trumpet in junior high, and that was one hand, and I was ... okay at it; but I had to do a piano lab for a music class in college, and it did not go well. I can't seem to coordinate both hands for an instrument. I was so bad at RB2 guitar in easy mode on a warmup song that the wireless node ran away. Seriously -- I played once, I put away the bits, I saw the wireless node later when I was looking for the "nunchuck" controller, and now I can't find it. I put all the bits in one place when they're not attached to the Wii, so I can't figure where on earth it would be. It must have left under its own power, for self protection.
I don't even want to know how bad I'd be at RB2 drums. Two hands and a foot?? Yeah, right.
I also went ahead and bought Donkey Kong from the Wii downloads channel. And ... dude. I used to play that game. I thought it was cool. It is so lame. I know gaming systems have massively evolved since then, but ... still.
I'm thinking about buying Wii Fit next. For the exercise, you know. And maybe DDR. ... Shut up.