@Topslakr I filed false positive detection reports with several of the engines that randomly decided it was a phishing site. Netcraft was the only one to actually say "you're right, this was a bad flag, our bad" but I'm guessing three or four of them turned me loose, and that was enough for the rest to stop as well.
There's a point in here somewhere about consequences of feeding the output of score-based system A to the input of score-based system B, and B's output into A...