I finally got some extra cash and I'm ready to jump on the DP Tuner bandwagon. Having trouble deciding on tunes. Is the 140 smoke file worth having performance wise? I'm pretty sure I want the 60 tow and 80 eco, but can't decide if I want either the 100 performance, 120 race, or the 140 smoke; or all of the above. Could you guys give some opinions on what I need to do?