I am definitely going to take a look at the Audi. You're right about the curb appeal, but the upside would be (being in PA) I might actually be able to get to work when it snows.
And, miracle upon miracles! My service rep just called and said they didn't get the "unfavorable driver profile" when they ran the diagnostic. Woohoo! He said the "battery was bad" but couldn't remember exactly what the tech said. Though he did hedge on whether they would replace it under warranty or not, but said he would try.
He did pass along the boesman push and my "sensor wire flip" fix for the top to the tech who apparently said that it didn't make any sense why that would work. Hopefully that gets them thinking. Though after speaking with him it sounds like they are just going to replace the sensor (time #3), which will as always clear the error, so I expect I will be back to boesman/flip mode in another 3-4 months.
Off to Amazon to buy a tender now.