The advantages of towing a 5th wheel trailer are pretty well understood. A 5th wheel will give you better stability and load distribution and is somewhat easier to hitch and unhitch than a travel trailer. It can also provide for more living space than a TT of comparable length.
Before you decide whether to purchase a 5th wheel or a tow-bar trailer, there are some things you need to know. Your weight limitation is your most crucial consideration. And, just how complicated is the connecting and disconnecting process? Here's an excellent video by Mark Polk owner, of RV Education 101.