For me, I always avoided boxing rogues because I felt like they were a bit fiddly to manage their rotations - combo points and finishers and situational stuff. I didn't think they would do well when boxed, but I did make one to level along with a friend a week ago, and I do enjoy the whole "sneaking up on people, picking their pockets, and then murdering them" assassination rogue class fantasy.

After getting it to max I ran a few dungeons to check my DPS and work on my rotation, which is a variant of the Icy Veins Easy Mode suggestion. I'm not well geared at all - maybe 420 ilvl, and my weapons are 370 and 400. I was doing a bit over 26k DPS according to meters, without buffs - a sim said I should be doing around 26-27k, so, yay, playing it reasonably well I guess.

Then I decided to stop manually managing my rotation and instead try to set up a priority system in ISBoxer so that I can basically roll into a fight and just mash my 1 key. A bit of tinkering and then testing it out and my dps... stayed more or less the same (about 200-400 DPS less)!

Next up will be trying something similar for a feral druid rotation.

What other classes/specs seem difficult to box but turn out to be pretty easy?