It's coming in the mail already. I'll have a full review on my blog when I get it done =D I'll be sure to post on the forums as well. So keep your eyes peeled if you want the dirty little details of the tune =D
It doesn't really GIVE you many horses. BUt if you've got bolt ons it will optimize your new A/F ratio free up some trapped ponies. Also, I'm mostly getting it to adjust GM's Torque Management, Shift firmness, and Shift points.