Whit this week numbers... there are a 800k gap in PS3 favor... after that:
Week 17th Dec: tie (PS3 had the FFXIII-2 special edition)
Week 24th Dec: 360 by 150-200k
Week 31st Dec: tie (the PS3 always won by little the last week of the year)
The final gap in 2011 will be: 500-600k (PS3 winner).