vortech and comptech should be right around the same price ~ 4500 or so. I opted for Comptech for a few reasons:

-it is completely bolt-on, and can be removed without any modification to the stock components. The vortech needs to tap into the oil pan.

-Comptech kit is an easier install, and I want to do it myself so I can diagnose any problems easier.

-Comptech has a better reputation, and the kit has been thru the ringers to get to where it is now. New brackets, new fmu and they will also be coming out with an IC. When it does, Comptech's kit will out-perform Vortech's.