NPD Pixel Count.
PS3
Jan - 195K
Feb - 347K
Mar - 334K
Apr - 172K
May - 130K
Jun - 188K
Jul - 141K
Aug - 142K
Sep - 201K
------------
YTD - 1849K
3DS
Jan - 170K
Feb - 263K
Mar - 225K
Apr - 128K
May - 116K
Jun - 160K
Jul - 129K
Aug - 179K
Sep - 243K
------------
YTD - 1612K
WII
Jan - 152K
Feb - 224K
Mar - 176K
Apr - 91K
May - 71K
Jun - 95K
Jul - 69K
Aug - 60K
Sep - 77K
------------
YTD - 1014K
PSV
Feb - 224
Mar - 208
Apr - 71
May - 52
Jun - 74
Jul - 48
Aug - 33
Sep - 54
----------
YTD - 764
http://www.neogaf.com/forum/showpost.php?p=43590359&postcount=512
The number are pretty accurate with all estimates about PS3.