ACE has a decent selection of cars, but by the time you get there everything is gone off of the cars that you need unless you call weekly to see what cars they get in.
GAGLES is just a fucking rip off. they are way too pricey, and i'd much rather pull my own parts than have someone toss around something that i really need.
LANGSTONS has a decent amount of cars, but like the rest is they pull it and can be overpriced.
LKQ has a very limited if any selection on imports, especially newer i.e. 94-up imports.
and as for the other 2 mentioned, i have never used them, but i wouldnt doubt that they are assholes and overpriced like everyone is saying they are.