Vista SP1 and PowerShell Commands for Active Directory by Quest Software

I recently made the move on one of my workstations to Vista with no real issues. Everything PowerShell related worked fine. I later decided to go ahead and install Vista SP1. After installation, things seemed to work fine until I tried to use the AD tools from Quest. The ActiveRoles management shell would not even load. After a bit of fruitless research, I uninstalled PowerShell and associated addins and reinstalled. This fixed the issue. Not sure what SP1 did, but a reinstall was the only thing that got me back up and running AD commands.