A Brand new PowerFC goes for $920 to your door step. A second hand one will obviosuly be cheaper, and hopfully might be picked up for $700-800. When you think about it, For a stand alone
ECU, its only a few hundred more then a piggyback system, but has better resolutionm,parameters etc.
http://www.perth-wrx.com/vb/apexi-power-fc-discussion/11127-power-fc.html
Eric