I have a, to the best of my knowledge, non-working K2DSP2 unit with a spare DSPx module. I built this kit, but was unable to make it work. It might be a simple fix, it might not. $150 delivered CONUS. 73, Julius Fazekas N2WN Tennessee Contest Group TnQP http://www.tnqp.org/ Elecraft K2/100 #4455 Elecraft K3/100 #366