You take your SBS Premium box, web publish the /MobileAdmin virtual directory, hit the MobileAdmin website with Pocket IE from your Windows Mobile 5.0 device that has the MSFP installed (hey, I am testing one) and remote wipe your own device.
Why you ask...? Because I can!
Funny... this was the first thing I tried after getting mobileAdmin setup :) LOL
What you have in essence done is a swing migration.
have done a few of these now with succes, as long as you take end users out of the picture that want to install outlook on the exchange server....oh my.