PooperScooper on 20 June 2008
Sony is just being conservative.
http://vgchartz.com/hwtable.php?cons%5B%5D=PS3&cons%5B%5D=PS2®%5B%5D=Total&start=39572&end=39614
Month and a half they already sold 1.5 Ps3's and 700k Ps2's to consumers...