In another cool piece of developer news, Windows IIS 7.0 is supposed to support PHP or at least make PHP easier to work with on IIS 7.0. I have toyed with PHP on IIS 6.0, it will run but most webhosts will not support any issues that should arise when developing web applications.

Here is a great set of articles from IIS.net that covers IIS 7.0 new features in detail and offers an IIS 6.0 to IIS 7.0 Migration guide