Read that yesturday. Not surprising... The 360 is pretty much a triple core mac. What else are developers going to design the game on?
Better than the PS3 which has no working unit and not even a real tech demo.
On a different note, check out the specs on the 360's graphic core.
http://www.hardocp.com/article.html?art=Nzcx
Pretty impressive. 48 pixel pipelines with a max of 96 billion shader operation per second. To put that in perspective... The X850XT only has 16 pipelines and can only do 5.7 billion shader ops per second.