I had the barometric sensor go out in my box, sent a note to tech support, Noah emailed me back within hours, I shipped my box to him, he sent me a loaner so I could make a trip came back in 100% working order.
The Gen 7 is very advanced, there are settings in there you cannot imagine.. I hooked mine up, typed in the engine specs it produced a base volumetric efficency chart and I started her up.. 15 min max. Been tweaking fuel and spark a bit to get it right where a want it...
I have nothing but good to say about the box, best investement I could have made IMO especally running a 415 cubic inch small block at 10:1+ compression and a big roller cam (277/284 .535/.551) The stock ECM just could not be programed to run right with this setup.. the Gen 7 was a piece of cake!
From what I hear the FAST box is a copy of the older calmap box put together by a group of ex Accel engineers..
HTH