Thank you for getting the (WHS) ball rolling over here Jeff
I installed WHS RTM OEM on the P3 test rig that i am using for this purpose, it took 1hr, 25min. to complete, there were a few references to Server 2003, no biggie, WHS installed just fine.
Activated it over the internet & am good-to-go.
Windows Updates were installed including IE7 for Server 2003 w/ its (default) strict security settings.
Setup of my WHS Web Page was easy as was the remote access... WHS detected my (Actiontec MI-424-WR) router settings, the add-ins that i installed worked fine too.
Last night I ran a complete Vista Home Premium -System Restore- successfully, see details & tip HERE
It only took 14 minutes to finish.
I am very happy w/ WHS RTM
I just finished backing up the main rig, this one took 5hr, 48min.
On WHS i now have 177GB of storage space used & its in the process of 'balancing', i've read this can take a while.
The balancing took less than 2 hrs.