I use FaH at home (PS3, File Server, Gaming Rig) and at work (Workstation, Non-Production Server). The beta SMP clients give the most points so I end up using those when I can.

I did get this error though:
MISSING_WORK_FILES

Booo.
So I changed the shortcut from:
"C:\Program Files (x86)\Folding@Home Windows SMP Client V1.01\Folding@home-Win32-x86.exe" -smp
to:
"C:\Program Files (x86)\Folding@Home Windows SMP Client V1.01\Folding@home-Win32-x86.exe" -delete 1

Then when you run the program it’ll say “deleting work unit from queue” and then self-close. You may need to run this for all 4 in the queue (or more if you’ve set it that way). Just change -delete 1 to -delete 2, -delete 3, -delete 4, and so on.

Make sure to change it back to -advmethods or -smp if you want it to run again.