I'm going to pay to get a bunch etched.

Cool. Count me as interested. I have most of the components already and was going to try one in November after my current project ends, but it would sure be nicer to work on a a custom board. From the looks of it, something like this could mate up with both the Trimble or Encore boards, eh? (although personally, I'm going to try to build an enclosure to have power supply and GPS sit side by side to see if I can fit them under the back seat...)