How to Make Microsoft Office 2007 Quick Access Toolbar roam with Roaming Profiles
Add the following to the system logon and logoff scripts (modify U:\profile as appropriate for network):
Logon:
copy "U:\profile\OfficeCustomToolbar\*.qat" "%USERPROFILE%\Local Settings\Application Data\Microsoft\Office\" /Y
Logoff:
copy "%USERPROFILE%\Local Settings\Application Data\Microsoft\Office\*.qat" "U:\profile\OfficeCustomToolbar\" /Y