Ecutek has support for fairly robust boost control. I don't know the hardware setup but I'm assuming they are controlling a solenoid with the upgraded MAP sensors people are running. The Crawford BRZ uses the built-in boost control. The Ecutek boost control for factory FI cars is very good and has per-gear boost control, etc. and they can apply the same logic to the BRZ, but it would require some kind of ouput and I don't know how that is accomplished.
I read through the Unichip install docs and it intercepts the MAF, Crank Position Sensor, and Throttle Position Sensor. There have been good gains to be had from controlling the VVTi system which I don't know how the Unichip might accomplish?
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Big plus with unichip is at least you can sell it when your done. The way ecutek just locks onto your ecu is really stupid. Locked maps is bad enough if you have to switch tuners or your shop closes on you. To pay all that money for a one time use software license seems nuts to me but eh, to each their own.
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I would agree with this. Even though I have an Ecutek tune, I'm not a fan at all of the way it all works. Even though your ECU is no longer "locked" like it once was, a license is still tied to an ECU forever. I can sell my dongle and cable to someone so they could use my tune but they still need to shell out $200 for a license.