Just ran across this white paper on Technet.

This is a GREAT PAPER on IIS 7 created by the Microsoft.com guys. I love their stuff. If you've ever seen their presentations at TechEd, MIX you know they are full of hard core IT details about how they deal with eye-poping scale. Thing is though, they always keep in mind the very useful details - "tweak this like that", "run this logparser script", "we setup our pools like this.." - showing you how they keep the house running. Despite rumors to the contrary, Microsoft.com is a 100% IIS 7 shop running out of the box bits.

While there are very few sites that need the kinds of scale Microsoft.com supports, the best practices and policies they have are really good for many of you supporting web farms. If I were running one, I would be very familiar with anything coming from these guys.

Migrating a Large, High-Volume Web Site to Internet Information Services 7.0

Had a question come up on the IIS 7 list server (iislists.com) on using CDONTS on IIS 7. Steve has written a blog post on the topic I thought was worth referencing.

Getting CDONTS to work on Windows Server 2008 x64 - Steve Schofield Weblog

One of the often heard requests for IIS has been about the need to have a more flexible, rules based URL rewriting system. The IIS team is making good on it's promise to release some out of band updates to the server using the modular pipeline. From all appearances, this is a really nice first release of a url rewrite system that comes complete with a UI. For example, you could redirect to a specific page based on the contents of URL, server variables or http headers. Examining the headers lets you make routing decisions based on the host header for example.

This is a pre-release version so  be sure to give the team some feed back over on iis.net

IIS.net : Learn IIS7: Using URL Rewrite Module: Installing and Configuring IIS 7.0

Update for WebDAV may be hard to find.

Solution: IIS7 WebDAV Module Tweaks « Enter the Tatrix

Hey, check out this article by Mvolo. As usual, he's got a great line on the important details and impeccable insight into practical implementation.

IIS 7.0: Top 10 Performance Improvements in IIS 7.0