>>>>http://weblogs.foxite.com/kevinragsdale/archive/2007/04/03/3625.aspx
>>>>
>
>Is it even possible to uninstall Vista if it wasn't installed on a dual boot machine in the first place? I tried to uninstall it from the laptop I installed it on to take a look, and couldn't see any way to do so. Nor will it let me Freeman C: and start over. So that machine is basically polluted at this point.

All your machine are belong to us.

But then, they say that a Knoppix boot CD can do miracles with its version of FDisk... delete Vista's partition, create new, format it any way you like.