Longhorn Server Beta 3 with much improved IIS7 is out!
The Server Beta 3 is a key release for IIS7 - we are probably one of the few if not the only team in Windows to put so much work into the product during the Longhorn server milestone, focused on improving the production hosting features of the server, enhancing security, and increasing performance.
Read more at https://mvolo.com/blogs/serverside/archive/2007/04/26/Longhorn-Server-Beta-3-is-out-of-the-door_2100_.aspx.