The New York Times > Technology > In Console Wars, Xbox Is Latest to Rearm: "Three and a half years after it entered the console market with the Xbox, Microsoft yesterday unveiled its successor, the Xbox 360, a creamy white console that is to go on sale in North America, Europe and Japan by the holiday season.
Though noticeably smaller than its squat black predecessor, the console houses three 3.2-gigahertz I.B.M. microprocessors that could qualify it as the most powerful home computer on the market.
In sheer computing power, the new Xbox is capable of a trillion calculations per second, many orders of magnitude above the original Xbox. (The current box depends mainly on a 733-megahertz processor.) The heat generated by all that power will be drawn off by a water-based cooling system, something usually seen only in high-end PC's. "