i will not buy any of them, i will stick on my pc
but between ps3 and xbox360, i would go with ps3 without even thinking, because it is more powerful than xbox360 interms of both cpu and gpu, and the more important thing that it has much better games than xbox360.
here some links that shows that ps3 is much more powerful than xbox360
PlayStation 3 is compared with Xbox 360 and a PC clocked at 3.2 Ghz in Floating Point Performance
http://www.answers.com/main/ntquery?...1003.jpg&gwp=8
A side-by-side comparison between Xbox 360 and PS3 can be seen here
http://www.bigkid.com.au/2005/05/17/xbox-360-vs-ps3
some infomation about ps3
http://www.answers.com/ps3
xbox360
http://www.answers.com/xbox%20360
Revolution
http://www.answers.com/main/ntquery?...&curtab=2222_1