jarrod on 26 December 2009
Wii takes it, barely, thanks to the combination of Wii stalling/holding and PS3 surging off the slim. I think it'll be the same story next year, unless we get an iterative "Wii Plus" or whatever.
PSP fell off massively this year too, despite GO. DSi/LL kept DS afloat. 360 is R.I.P.