Doesn't really matter much... This year was supposed to be about Sony Domination...
Sony has outsold 360 almost every week so in that sense it is dominate. Sony has not even really come close to the Wii... And, it is not like Sony's sales are doubling or tripling 360. When Sony was ahead the gaps were usually only 30-70K world wide (Except around Sony's big releases like MGS4 and the GT5 Preview)...
The reality is that both consoles are currently in a dog fight for 2nd spot in the generation... Both consoles have some really good titles coming out from now until Christmas. The start of the real battle begins in September. 360 is releasing 7 titles that are either timed exclusive or fully exclusive whereas Sony is releasing just one in September... For October, November, and December the exclusives look pretty even in numbers and quality...
No matter what happens, the next few weeks and Christmas will probably solidify either 360 or vault PS3 as finishing at least second in the generation. In the end it won't matter much as both have enough loyalty and install base to keep getting AAA games throughout the generation.







