for me performance is main factor. as mentioned by mtnman multiple tempers with cryo in many cases,if maker takes the time & effort it makes a world of differance.if maker is honest & divulges the basic system,you have a good idea of his experience & effort. i once had a maker tell me that cyro for 440c was just something that only allowed custom guys to ask more money for their blades, certainly told me he was'nt into metal knowledge. cranky72
