MS said 31 million sold in mid 2009 and Sony said 27 million sold in Sept 2009. I sense fishyness somewhere. Or the 360 has been outselling the PS3 by a ratio of nearly 2:1 since the slim launched...
It's also hard to believe Sony are 4 million away from their target of 35 million for April:
http://news.spong.com/article/19624/PS3-Sales-Now-at-27-Million