Left 4 Dead 2 Demo Status

Valve offers a brief status report on the Left 4 Dead 2 demo for preorder customers, saying the sample of the zombie shooter is now available for Xbox 360, while the Windows demo is "currently targeted" for release tomorrow:
The Left 4 Dead 2 Xbox 360 Demo is now available for those who pre-ordered and obtained early access to the demo. The PC Demo is currently targeted for release on Wednesday, October 28. For more information on Left 4 Dead 2, please visit www.l4d.com