Just purchased the OFT V2. Kind of an impulse buy but I'll use this for now until and see how it goes.
Review:
Installed the stage 1 tune and I must say it's different but can't really say it's much better. Throttle response is a smidge better, engine definitely feels smoother, idle doesn't fluctuate as much when A/C is on. Power wise I can't really feel a difference but maybe I have an insensitive butt dyno.
I'll give it some more time and see if the tune evolves since I've read that it takes a while for the tune to become more apparent.