How is the Profec A, any problems with it I should now about?
I thing I read somewhere about it having creep problems.

 

its my least favorite boost controller on the market. It's a manual electronic boost controller, meaning you set it to the level you want, and after you jump through a bunch of flaming hoops to "learn" the unit, it then responds with a boost spike to over the boost that you set (no matter how you learn the unit, it will do this), then settle to its desired boost level.

The Profec B, on the other hand, when set up correctly, will not exhibit any of these problems. Hence it is my favorite

 

really. Damn I was hoping for better news