I think this guy is great, and he's playing the only Buescher straight alto I've ever seen that doesn't have a low Bb key.
http://www.youtube.com/watch?v=XP6w...408E68D4&playnext_from=PL&playnext=1&index=14
http://www.youtube.com/watch?v=XP6w...408E68D4&playnext_from=PL&playnext=1&index=14