Tony Parry for sure. I don't know any of those other guys accept for Dave Milburn, and I'm sure that they're great, but I gotta vouch for Tony. He was my teacher a few years back when he was still playing with Louisiana Phil and he's great. He's a great teacher - he tells you need to hear, not necessarily what you want to hear. Sure, that strategy doesn't work with everyone, but let's face it, if you want to improve, someone has to tell you every once in a while, "You and I know you know that you can do better that. Here's what you need to do to fix it..." (I think that may have actually been said a few times in my lessons haha, but it's purely constructive.) The biggest thing for me was the fact that he doesn't mess around in lessons - he uses time efficiently, he's organized, he's got it together. And, he's German bow, so you're in luck if you're play german (not that he doesn't know a thing or two about french - he studied with Ed Barker at BU). Check him out - his email's somewhere in this thread.