According to Windows Secrets, it's possible to do a clean install using an Upgrade disk, just as it was possible for previous versions of Windows. It's not even a hack or a trick. Check out http://WindowsSecrets.com/comp/091112]this page -- the article starts about a quarter of the way down.
-- Bob
---------
Then the horns kicked in...
...and my shoes began to squeak.
-- Bob
---------
Then the horns kicked in...
...and my shoes began to squeak.