One thing that ought to be mentioned is the what some people put turbo vendors through when ordering or not ordering. I buy all my turbo parts from Dave B. and Dave H. and not just because they are friends of mine, but because they stand behind what they do and will go the extra mile for you. Alot of times they deal with 20,000 newbie questions about what do you think this turbo will do and what about this one and can I get this and that without going postal. Alot of times all they get in return is having someone take all the research they did the footwork on and buying from someone else. Bottom line is for most people a turbo is a major purchase and there are alot of questions on alot of different options to discuss. It's nice to find people that aren't afraid to tell you about different options, turbo characteristics, pricing, and availability even without the promise of a purchase from them.