When I got my insurance, they would accept checkout in any Van's "A" model in lieu of the actual -14A. I was able to get a few days scheduled with Mike Seager in Oregon (yep - flew there from Florida). I understand that Van's east coast rep Joe Czachorowski also does checkouts, but I haven't heard of anyone else doing it. Tim Olson in Wisconsin did it for a brief time but no longer does AFIK.
It will be interesting to hear if any other instructors are offering checkouts.