Could not get it to work with my mazdaspeed swap, so they are up for sale. Not for your avg. weekend tuner, maybe it just me.
Megasquirt 2 v3 board firmware 3.1.1 for $300 with db37 harness
94-97 CAS with pigtail for $100
This is setup for parallel with stock ecu with 94-97 CAS on 99-05, but standalone for 90-97.