carl,
I have just one question: when UPS informed you that it was signature required, why didn't you have them hold it at the UPS facility so you could pick it up there and sign for it?
An inconvenience yes, but it may have helped the issue a little. Interestingly enough, it seems as though you are letting an isolated incident over one order ruin your trust in their customer service. Granted it only takes once in some cases, but over a wrist boot....
Doug has been a wonderful asset on this website and it appears that he wants to retain you and your wife as customers. Don't give up on them over this little issue. It very well might have been an issue where more orders came in for that specific piece than expected during the time your order was placed. I had a similar problem to yours while waiting on the transit clip, compass, and compass boot for my VT3 computer which was making me absolutely po-ed. BUT, since it did not impact my ability to dive there was no reason to get out and "flog" someone as Doug put it.
I also had serious battery issues with my VT3 within 20 dives of purchase. As a new Oceanic customer this was frustrating and shattered my confidence on my first purchase. Again, Doug came to the rescue and listened to my complaint regarding the issue. We both agreed that changing the battery was the first step and that if it did not correct the problem that he would replace the computer or refund what I had spent on it. Turned out that there was a bad batch of batteries as I was not the only person this effected. Had myself and others not let them know they would have never known the source of the issue which could have turned into a mass recall of the VT3 thus costing them a lot of money when it was actually something simple and user-correctable.
Hopefully Doug's efforts will help retain you and your wife as Oceanic customers. Great job Doug!