I paid $739.95 since August 17 2007 for ECU to AutoTech Microsystem. Uptill now May 2 2009 the unit has not been delivered to me. I made my payment trough Paypal, but the seller delayed till 90days of getting money back passed. Now they dont pick my calls again. My advice is that nobody should deal with them and I have made up my mind to do all I can to get my money refunded. read full review »