Go with the Trip Edge, pump is located up in the lift frame, much easier to service than down in the a-frame.
Check out there new hand held controller, looked sweet, more of a thumb control, very ergo, if you know what I mean.
If you get the willies and change your mind , I've got a real nice 8' Diamond Trip Edge with the MD II system and Dodge mounts, Saber Lights,modules , harnesses, E60 pump, touch pad controller, and mini jack. It just got blasted and repainted , all new decals and labels. $2600 complete +$350 for install
508 753 6617