Im currently building a 408 for my car with a solid roller, dart heads, and a victor 5.8 intake and i am looking for tuning software that i will surely need once its done. The closest place for me to get a tune is about 150 miles and after fuel and the cost of the tune i could have bought my own software already and id just rather do it myself anyway. im just wanting to get some opinions on what kind of tuning device you think would be the best for my application...i was looking at a tweecer because it is cheaper but i like that the pms comes with its own handheld deal that way i dont need a laptop. i havent really heard anything about any other companies but would love to hear some opinions on what you guys use...does one kind do more than another or is one kind more precise or what? sorry for the long post