Xenoblade - It didn't do great, but it didn't do poorly either. We'll see what the western sales look like.
Monster Hunter Tri - Japanese sales weren't very good, and it doesn't look like it will have the legs of the PSP games. Western sales have been fairly strong.
Red Steel 2 - Pretty much the only clear cut bomb on this list. I'm not sure why you're saying it's a success because it might reach a lowered expectation eventually at budget prices.
Metroid: Other M - Pretty good in Japan compared to the recent First Person games. Underperformed a bit in America, but completely tanked in others.
Boom Blox - A Success. Not much more to say about that. The sequel didn't do that well though, which seems to be a recurring theme with third party hits on the Wii.