Upgrading Windows XP to Windows Vista

Currently, you can upgrade from Windows XP or Windows 2000 to Windows Vista by purchasing an upgrade edition of Windows Vista. You have two options for the installation:

In-place upgrade
Upgrade Windows XP or Windows 2000 to Windows Vista.

Clean install
My next gallery will go over a clean installation that takes advantage of the Windows Easy Transfer technology.

In the following gallery, I have walked you through the In-place upgrade. I have typically not been very successful with in-place upgrades. It seems things never move over properly. I tend to always do clean installs. What do you typically do?