Maybe post a little more about what's important to YOU in the tire.
I've recommened Boggers or Swampers to people and they call me a month later to complain that they are loud on the highway! Yes they are, get over it.
If you buy Boggers or Swampers I can guarantee they will "suck" on the highway.
The MT/R is a VERY GOOD all around offroad tire. Very good. You will not be disappointed on rocks (where they excel), in mild mud, very good sidewall design and run very well on the road for an agressive tire.
The Swamper SX will be better in MUD and will hold it's own on the rocks. Swampers are generally not very good in the snow and ice. In fact, you could almost say they suck on ice.

Boggers, best DOT mud tire. Period. Worst highway tire. Period. Not the best on ice. Can be good to great in snow depending on if there is a bottom.
Tim.