I'd put a basic WD hitch in the necessity catagory. You can spend as little as $150US on something like the Robins copy of the Ea-Z-Lift design. If set-up properly I don't think you'll experience any problems with such a budget set-up. No doubt a more expensive hitch like the Reese Dual Cam or Equalizer is going to be even better. If that's what you think you'll want might as well spring for the extra cash right now. Add on sway controls, in my opinion are a band-aid approach that in no way can match one of the integrated designs.
It sort of depends on the prices of what are available to you and your budget. Other factors to think about are ground clearance and the "hassle factor" of hitching up. One thing to check carefully is the hitch height. On a budget system you may not get a shank that allows you change the ball height (and angle). If it's fixed and it's correct then all's good. If not, then well you're that other method of attaching things besides rivets