IIS7 is coming in Windows Server 2008 (Longhorn).  Microsoft is hosting microsoft.com using it and you can with others too.  This information is from Technet.

More free IIS7 Web hosting offers hit the Web

Posted 6/15/2007 10:29:00 PM

Since my last post introducing the bleeding edge IIS7 hosters who started offering free hosting on Beta 3, several new Web hosters joined the mix, including gate.com, parking.ru and myhosting.com who went live today!  If you're looking for a free Web ...

http://blogs.iis.net/bills/archive/2007/06/15/more-free-iis7-web-hosting-offers-hit-the-web.aspx

www.Microsoft.com is live on IIS7 beta 3 - are you?

Posted 6/15/2007 8:59:04 AM

The www.Microsoft.com guys have been running IIS7 on some of their servers since early beta days, but I was excited to get an email this week which announced that they are running IIS7 on all of their servers!  (except for a single box which ...

http://blogs.iis.net/bills/archive/2007/06/15/www-microsoft-com-is-live-on-iis7-beta-3-are-you.aspx

TechEd Video: IIS7 Hosting and Server Core

Posted 6/15/2007 8:44:00 AM

A new video has been posted up on the Virtual TechEd site called the IIS7 Customer Experience, featuring Mario Juarez, Eric Woersching, Jess Coburn and Carlos Caneja.    WMV Video: IIS7 Customer Experience ...

http://blogs.iis.net/bills/archive/2007/06/15/teched-video-iis7-hosting-and-server-core.aspx

ttfn

David