Get recommendations from those who have gone with the same guide MORE than once. Anybody can be helpful (and get lucky) once, but consistency is the key. Also, most of them are excellent fishermen, but which ones share some of their knowledge and have good communication skills? We use guides exclusively on our show and have been pleased with most of them. To see our favorites, go to:
http://www.fishermansheaven.com/gotofish.htm

Kevin
FH http://www.fishermansheaven.com

P.S. I haven't updated that webpage for a few months...I need to add Bob Ball in there after fishing with him in Alaska.