I had the duke ( same as baron just burlier and higher din) my dukes held up great even tho I didn't ride them too much but they held up super good. My friend has some older barons that he rides on to this day. He's had a few problems but he fixed them for little to no cost and that's pretty good for a 13 din hiking binding he's used for 4 years.
Now don't just buy them tho. As they are reliable, I didng like them. The stack height was too high for me. Other than that they were great. If you want a hiking binding that has a low stack height look into the Salomon guardians it atomic tracker. They are a tad heavier than the dukes/barons but you'll probably find the lower stack height to be more enjoyable.