I've never been brand-loyal. I just seek out something I can afford that works. Over the years this has put me into several REI tents, but that is more a matter of compromise, due to cost, than anything else.

Pretty much the only brand I go back to constantly is Vasque, for the simple reason that their boots fit my feet better. The chances are excellent that your feet would prefer a different brand's fit, just because feet are quirky things.