Update: Weighing all your feedback, and the weight of my wallet, I chose to attempt to fix what I have.
Thanks to Bigdav160 for the tip of the A6 directly compatible FourSeasons compressors. Initially, I ordered a "Four Seasons 58096 AC Compressor", with clutch from Amazon. After pulling the purchase trigger, I noticed a 1-2 MONTH (!) delivery timeline. No Thanks...it's getting hot in Florida. Found a local Advance AutoParts store with one in stock for about $10 more.
Took it to my mechanic who installed the compressor, replaced the belt, and charged it up with R134a. Bada-bing! I'm back in business. Ice cold air from the dash. I don't notice much of a drag on the engine either.
The rear AC isn't blowing cold at all. I assume this is an entirely separate system that I'll have to deal with now? (sorry for the newb questions
![Wink](http://67-72chevytrucks.com/vboard/images/smilies/wink.gif)
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Here are a couple shots of the new compressor:
Once again, this forum has made my day!