Given the utterly abysmal 3rd party games out so far for Wii, compounded by less consoles on the market for half the year, further compounded by the once in a great while glut of awesome games (mostly 360) ...
that's a pretty impressive showing for the Wii.
I'd be curious about a 1st year vs 1st year analysis. Or maybe we can necro this thread for the 360 figures in a year to see how Wii and 360 2nd year 3rd party sales stand up.
3rd Party Wall of Shame
http://www.nintendoworldreport.com/forums/index.php?topic=30478.msg581036#msg581036