Xbox 360:-
http://www.mcvuk.com/retail-biz/release-dates/xbox-360
PS3:-
http://www.mcvuk.com/retail-biz/release-dates/ps3
Wii:-
http://www.mcvuk.com/retail-biz/release-dates/wii
DS:-
http://www.mcvuk.com/retail-biz/release-dates/ds
The poll is missing the PSP.
EDIT:-
3DS
http://en.wikipedia.org/wiki/List_of_Nintendo_3DS_games