November also has higher than normal sales, due to the holiday season, While the numbers are not as high as December's, they are much higher than usual. Even the end of October usually has somewhat higher numbers than normal.
Those increase should also help the ps3 to surpass the 360 even sooner.
Then there are the variables of price drops (for both sides) and big ps3 exclusives like MGS4, FFXIII, and GT5.







