I think I'm missing something installing the client side of SUS. I ran the WUAU22_Client.msi file on a workstation, but it didn't ask where the SUS server is, and when I went into the registry to ...

OK, I just set up the SUS server the other day. Went through the install <SUS 1.0 SP1> and everything looks good. Set to save updates locally from MS's site. IIS is good to go. Synchronizes perfectly.