Here are a selection of IIS Resources which I use to follow and stay up to date with IIS and the developments with IIS7. Most are blogs that I read daily. The best and one stop resource is definitely IIS.Net, the online community for IIS.
Blogs - IIS Team
Bill Staples's Blog - Group Program Manager IIS - http://blogs.iis.net/bills
Mai-lan Tomsen Bukovec, Group Program Manager for IIS - http://blogs.iis.net/mailant
Carlos Aguilar - Senior Development Lead on the IIS Team - http://blogs.msdn.com/carlosag
Mike Volodarsky - Program Manager on IIS Team - http://mvolo.com/blogs/serverside
Thomas Deml - Lead Program Manager on IIS Team - http://blogs.iis.net/thomad/
Brett Hill - http://www.brettblog.com/
Eric Deily - http://ericdeily.net/blogs/
Dave Cox - http://blogs.iis.net/davcox
David Wang - http://blogs.msdn.com/david.wang/
Tobin Titus - Programming Writer on IIS7 SDK - http://blogs.msdn.com/tobint
Kanwaljeet Singla - http://blogs.iis.net/ksingla
Robert McMurray - http://blogs.msdn.com/robert_mcmurray
IIS Media Delivery Blog - http://blogs.iis.net/media
Useful IIS/ASP.NET Information provided by Microsoft Support Teams - http://blogs.msdn.com/webtopics
Blogs - IIS MVPs
Steve Schofield - http://weblogs.asp.net/steveschofield
Chris Crowe - http://blog.crowe.co.nz
Ken Schaefer - http://www.adopenstatic.com/cs/blogs/ken
Server: Microsoft-IIS/7.0\r\n - http://msmvps.com/blogs/bernard
Other Blogs of Interest
Microsoft.Com Operations - http://blogs.technet.com/mscom
Will Coleman - UK Hosting Evangelist - http://blogs.msdn.com/wcoleman