Windows Server/Exchange Server/Music/Games/Rants
Just to find out that the backup is useless...
http://www.cnn.com/2007/US/03/20/lost.data.ap/index.html
I have been using it for years now. The comfort of building a lab or a demo on one systemis great. To make it even easier you can find pre-configured images from Microsoft:
http://www.microsoft.com/technet/try/vhd/default.mspx