I have the HP on mine. I had ZERO fitment issues, went together perfect and its ALL jet-hot coated (bling-bling). I got all my parts at one time. I am very happy with my decision to go with this company.
The only bad news...or what most would call bad news is it took a while to get my kit. I ordered it at the WFC may of 06, and got the whole kit towards the end of August. I was not in a hurry for it, so it all actually came together when I was ready. I was not angry about the wait time, it just worked out for me.
If you search my loggin, you can see pics of the HPerformance kit. I posted it in this turbo section.
I am not completely done with my car yet. I have now upgraded the fuel system, and injectors. So it has been a year of 'in-work' time (family prioritys and work schedule). I should have a full tune on it...hopefully by the end of this month?