From /. the "ps3 produces 1 TFlops theory" is pretty much bunk. Yes, it can do that, but only if you disable all other functions and have the entire processing speed dedicated to nothing but the benchmark.
Ie, you benchmark your computer by running nothing but benchmark utility... no directX, no background programs AND most importantly, NO OS (like windows).
All the discussion about Gigaflops are just marketing smokescreen. The PS3 has more power, but is irrelevant until the developers figure out how to get the juice from the processor "array". We'll only see real comparison around February, when the PS3 SDK has been out for long enough and there are enough 360 games out to compare with what is coming.

I guess this is the best place for this post, so...



Further context here.