http://www.microsoft-watch.com/article2/0,...,1790569,00.asp For Longhorn PCs that are customized for "living-room scenarios," Russell suggested PC makers strongly consider optimizing around 64-bit, dual-core processors. He also said dual-channel memory; a minimum of 1 GB of memory; and a high-performance and capacity disk drive (averaging 3000 GB-plus)would all be nice to have. "Longhorn will provide an absolutely fabulous gaming experience," Russell told WinHEC attendees. In order to be able to take the fullest advantage of Longhorn as a gaming platform, Russell suggested PC makers gravitate toward 64-bit dual-core processors, 1 GB of memory, 256 MB of graphics memory and advanced LDDM support.