Uninstall IIS – How to Uninstall IIS on Windows 7

I've just rebuilt my development machine and installed IIS. I then installed the Web Deployment tool and used this to restore my previously-backed-up websites to the clean machine. Unfortunately the restoration didn't work correctly/fully.

I couldn't easily correct the problem, so I decided to uninstall/reinstall IIS and recreate the sites manually.

I uninstalled IIS and rebooted, but there was still plenty of stuff left around such as various files in /windows/system32/inetsrv/ which I tried to delete manually (with limited success!).

I rebooted again and tried to reinstall IIS – it reported an error (no meaningful message) and requested another reboot. The event log includes the following errors:

The World Wide Web Publishing Service (WWW Service) did not register the URL prefix http://*:80/gallery for site 1. The site has been disabled.

and

Unable to bind to the underlying transport for [::]:80. The IP Listen-Only list may contain a reference to an interface which may not exist on this machine.

I'd like to avoid another rebuild. Can I completely remove IIS, such that I can reinstall it from scratch? Or can I 'fix' the current setup so that IIS will reinstall over what is already there?