I'm surprised that nobody has mentioned Jim Neaves Centaur. I have two Selway Lil Mags, which are early Centaurs and both are great bows. 56", 49#@27", and 58", 56#@27". I used to have a Jason Kendall JK Traditions that was also a very good bow. Jason's new Kanati and the Jim Renoylds Thunderstick III and MOAB have to be some of the best values in stickbows today.
If a bowyer offers a trial bow, it isn't wrong to accept the offer. You are going to pay the postage both ways and he wants to get the bow in your hands. He is well aware that you may not buy it.