Enough with the edits...
Small Business, Premium, Standard, Web, Enterprise, Datacenter, Compute Cluster...yak!
The thing is, our usual procedure in this occasion is what I described in the first place.Install SBS then Sp1 for SBS then SQL 2K, then SP3 or 4 for SQL.
He's bringing the machine over this week anyway I'll have a better view of the situation.