In addition it's interesting to note ATi and Microsoft only signed a partnership for the XBox 360 by the second half of 2003, alledgedly according to analysts at the time because NVIDIA wasn't interested.
Of course, the XBox 360 also released a year earlier than the PS3, so that's about 2 years less time than there was for the RSX to be ready. There are also clear signs the XBox 360 was rushed onto the market, this is evident from the extreme failure rate of the hardware, this is the perspective of various component suppliers as well and insider leaks confirmed this.
So really...







