I have a JWT ECU that works just fine and has for years. But once you starting getting into larger turbos/injectors/engine work, I dont know why you wouldnt ultimately go with a stand alone EMS.
Back to the topic at hand...I think Ash has really tried to make some contributions to the community, but is one of those guys that spreads himself too thin, ultimately making the customer suffer. He has some great products out there, but from what I have been hearing lately, it's like hunting down the Holy Grail to get them in hand.