Eventually this surge of PS3 sales that's been going for a few months WILL wind down and the console will see sales similar to what the 360 experiences now. Given the exception of particular periods where both consoles are expected to see increased sales, the PS3 will not continue to sell the way it is long enough to significantly cut the gap between the 360.
Like others have said though, if the PS3 ever does surpass the 360, it will not be this year, and I doubt it'd happen until very late next year if that. It wouldn't be able to gain a significant lead by the end of the generation anyway.








