I have a Troll, which I bought in early 2012. I changed the tires to 1.5" Specialized Nimbus, and had the wheels upgraded to 36 spokes. This last was probably overkill, but I won't have any problems with breaking spokes. I also had the handlebars changed to a mtn bike style riser bar because the ones coming standard didn't strike me as too comfortable.
It's a good all-rounder, seems to carry a load well.
The only consistent problem I have with it is that my left heel will occasionally hit the adjuster wheel on the rear brake, and tighten it, so I have to stop and give the wheel 2 or 3 clicks counter-clockwise to loosen it.
I was a little worried about getting the rear wheel off while fixing a flat, but a LBS guy told me to put the chain in big front, little rear, and that made it real easy.
Hope this helps.