I just figured out what was going on. I was using the UPS *HTML* Access Key, as opposed to the *XML* access key. Which are different.
Thanks for all your help Ray,
Hopefully I didn't drive you too crazy :)
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.