Honestly, you're going to get a million different answers on this... If I were you, I'd look at the user interface, cost, easy of installation, and reliability of all them and see what you like.Turbo82 said:
I personally run the S-AFC, but I know a lot of guys that love their D-TEC or R-Manage setup...
Search around and spend some time reading what people are saying. In addition, you might download each user manual and see what you like best.