I never got into WiiWare until over a year later after it launched. There wasn't anything I had interest in, at least, not over retail games. The only reason I tried out some of the games is because I got a few thousand Wii Points for cheap through a Pepsi promotion last summer.
The concept is the only interesting part about LostWinds, the game itself is plain, empty, and boring.
It's a little disappointing that Dr. Mario Online RX doesn't take a page from the Nintendo 64 version and offer four player matches, but the co-op of Virus Buster is a neat new mode that my sister and I enjoy.
Mega Man 9 was a letdown. I'm surprised the level design was mentioned as one of its good points, the game has some of the most terrible designs I've ever seen. Mega Man 10 is much better in this aspect. The music is okay, not as good as the original series, but I've come to appreciate it more after listening to some remixes. A couple weapons have some interesting uses, such as the cement shot being used as stepping stones and the hornet weapon can collect items, though both are weak as actual attack weapons.
I played the demo of Bit.Trip.Beat. I can see the appeal to retro game fans, but I'm not one, so the game bored me.
No comment on World of Goo.