Ames is best, if they have it (I have bought about 35-40% of my stuff from them) price is good ,parts are good, ...Classic is pretty good too, I have probably bought more from them than any other vendor, just be careful on items ,sometimes they sell Camaro only parts, but if you do your homework its no problem, they are also good about returns,... Year One has good parts ,but tend to be more $ for same parts than others, but if they are the only one with that part ,use them... I have had good luck with Paddock too, very little experience with NPD....Chicago Muscle cars have good used ,some new parts....if youre looking for used parts , try Terry Ritter(954) 721-1459 and FriebirdBill EarlyBrds@aol.com