well i dont know if any of the US guys watched the preview on MTV lastnight but for the UK guys its on at 9:00PM tonight (13th/May/2005) on MTV UK.

the xbox 360 site is up, www.xbox360.com and the xbox site also has some details about it.


Custom IBM PowerPC-based CPU
  • Three symmetrical cores running at 3.2 GHz each
  • Two hardware threads per core; six hardware threads total
  • VMX-128 vector unit per core; three total
  • 128 VMX-128 registers per hardware thread
  • 1 MB L2 cache


Custom ATI Graphics Processor
  • 10 MB of embedded DRAM
  • 48-way parallel floating-point dynamically scheduled shader pipelines
  • Unified shader architecture


Memory
  • 512 MB of 700 MHz GDDR3 RAM
  • Unified memory architecture
  • 22.4 GB/s memory interface bus bandwidth
  • 256 GB/s memory bandwidth to EDRAM
  • 21.6 GB/s front-side bus


Storage
  • Detachable and upgradeable 20GB hard drive
  • 12x dual-layer DVD-ROM
  • Memory Unit support starting at 64 MB


I/O
  • Support for up to four wireless game controllers
  • Three USB 2.0 ports
  • Two memory unit slots


Optimized for online
  • Instant, out-of-the-box access to Xbox Live features with broadband service, including Xbox Live Marketplace for downloadable content, gamer profile for digital identity, and voice chat to talk to friends while playing games, watching movies, or listening to music
  • Built-in Ethernet port
  • Wi-Fi ready: 802.11a, 802.11b, and 802.11g
  • Video camera ready


Full list of specs HERE