I only own a Wii, and it still looks to be an expensive end of the year.
Kirby's Epic Yarn
DKC4
Zelda (next year, but still)
NBA Jam
Epic Mickey
and Metroid are almost 100% certain
Goldeneye is a maybe, I'll wait a bit on that, see some more hands-on stuff.
Sonic Colors, too. Looks good, but I want to see more. I hope there's more branching paths and some exploration instead of the race to the finish along one line that the majority of the two levels looked like to me.
Looks like the 3DS will have to wait. Haven't owned a portable since the original Gameboy, but I will absolutley be picking this up, at some point.