running as non-admin
Running as non-admin is getting easier... Two tools that you might find handy:
Privbar - Are you running IE from an Administrator account? This tool will show you:
http://blogs.msdn.com/aaron_margosis/archive/2004/07/24/195350.aspx
MakeMeAdmin - quickly and temporarily give your non-admin account admin privs without logging out
http://blogs.msdn.com/aaron_margosis/archive/2004/07/24/193721.aspx