1)Xbox 360 has arrived earlier than PS3
2) many game dev prefer XBOX360 tools for the ease of use- means
more games will flood and saturate the market even before u blink
your eye
3)The PS3 is harder to program for. more harder than PS2,.
It means most games will end up XBOX 360 exclusive first.
4) PS3 is using old franchises to sell like MGS ect When most of
their fanbase have grown up and moved on with life.
5) PS3 is new hardware and bound to have more problems than Xbox360
- proven powerpc architecture