http://blogs.technet.com/homeserver/archive/2007/08/16/grow-your-partition-with-a-restore.aspx
"It’s not supported, but here is how it works"
Servers should be easy. The Windows Home Server is easy. Servers should be fun. Tweak, tinker and make it your own.
… and you can pimp your server, too. Make a server fit into your home’s decor.