I have been using a Renzetti traveler for over 20 years. Thousands of flies and it still is going strong.
My Regal is over 30 years old and I use it for many larger flies like saltwater and bass or trolling streamers. The only downside to a regal is the soft jaws which means if you tie small flies you better be real careful or you will chip the jaws. I have gone through two sets of jaws and my current ones have a chip.