My LFS is pretty cool. I know about as much as the guy who runs it; he knows more about some stuff and I know more about other stuff. But, he doesn't claim to know things he doesn't; so that's really nice. Also, he knows he's weak on the coral end of things, so he tends not to buy them. He'll get frags that folks give him from their tanks; but he doesn't usually buy any.
My only complaint is that he has no idea where his suppliers get their fish, how they're collected, etc. So, I use him for dry goods, and for odds and ends from the stuff-my-other-clients-brought-me tank, but I generally get my animals from online places which do tank-propogation. He's a nice guy and I like to support him, but we don't see eye to eye about researching where your animals are coming from.