Whats the usual increase in sales % during the holidays?

[bodhi14]

ssj12 said:

bodhi14 said:
No, the PS3 won't overtake WW X360 sales because even though the PS3 will see a huge holiday boost, so will the 360. The gap might narrow, however.

 

gap will narrow to around 3 million inbetween.

             yes, that seems about right. Thank you.