There are lots of fully functional AR3201s being sold in Europe for a couple of hundred dollars.
As Karl points out, the 4201 is probably a better route. There are adapters to convert 3201 wiring to 4201 wiring for 50 Euros if you don't want to rewire your panel, at this link:
http://www.segelflug.de/osclass/inde...&sCategory=170
Jim