Thanks all!
Good-news-bad-news-good-news weekend:
1. We are putting in an offer on a house in Leander, Tx (northwestish of Austin). It has one of those 2.5 car garages, so I'll have a spot for a workbench.
2. Got a call from the friends watching two of our dogs on Saturday, our AC went out at the Hurst house. They took the dogs home with them because this is....well....Texass. In June.
3. Got in touch with our AC guy when we got home, I figured it was the capacitor in the outside unit (inside, air is blowing, but its hot air and the outdoor unit was not running). It being Sunday afternoon, no parts store that was open carried the capacitor we needed. Our AC guy happened to be on an errand not too far away (a 20-minute drive in DFW is considered "local"), he had one that he was willing to sell us. I used to be an Electrician's Mate in the Navy, so swapping out caps is easy, especially as there is no solder involved. Swapped it out, and after some kerfluffle with the local quick-disconnect by the outside unit (apparently, it *does* matter which way the piece of metal goes in. Go figger.), we now have cold air blowing in our house again. All pups have been returned, waggy-tailed and licky-snouted and all.
So prayers/good thoughts/vibes etc that the offer will either go through (we started a bit lowball, of course, but its been on the market since December, so we're hoping the builder will want to get it off their hands) immediately or with minimal haggling. Because we're tired of this 3+ hour commute on the weekends, not being greeted by waggy-tails in the afternoons, and minimal access to sawdust-generating tools.