@Procrastinato:
Its a lot more complicated than that. By leading on the PS3 you make it harder to port to the PC which is an important consideration for 3 platform games. Furthermore just because working on the PS3 forces you to parrellise immediately from the beginning, doesn't mean anything really as any good design would take advantage of all three cores anyway and any bad design on the PS3 would still use one core just like on the Xbox 360 and switching lead platforms isn't going to change anything.
Furthermore of the two games which were developed relatively seperately that I know of, Call of Duty IV and Grand Theft Auto IV ran extremely well on the Xbox 360 without needing to port from the PS3.
Tease.







