in games? of game we actually know about the ps3 and 360 are pretty much tit-for-tat.
in sales? nintendo is the obvious winner overall. ps3 will outsell the 360 (on average) until probably september-ish when the 360 has a price cut and/or natal launch at which momentum will probably shift. maybe it's just me but i expect wii/ps3/360 to all be down on 2009 vs. 2010 sales.