I'm thinking of getting an engine management system in the car to monitor everything . . . What's the most popular and easiest to program? Motec, DFI, Haltech, Apex, Greddy, HKS or Apex system . . . Should I use their own display or get a stack display?

 

ross-tech Vag-com and a Laptop FTW!

 

Check out this link:
http://www.audizine.com/forum/showthread.php?t=149451
Shawn on AZ has an awesome carputer setup, he has Vag-Com and Lemmiwinks permanently hooked up.