I have a WDH and swing hitch. It was installed by the guys from CustomRV when I bought the TM but after having a look at it, there is not much to installing it yourself. I have no issues to report after the 10 or so camping trips we have taken it on since we purchased the TM. Our model is a Pro Eagle 1000 lb version. She looks like this:
http://www.amazon.com/Pro-Eagle-1000.../dp/B000GGJQX0