RK: I had a Slinglight and, as Dale says, it ain't much easier to get into or out of than the Monarch. It is light and sturdy, though. I gifted mine to my son, who is far more agile, and he loves it. [EDIT: Randy, I agree: the Slinglight does not feel flimsy. I'd-a kept mine but I found it a pain to pack because it doesn't break down, and my combination of metal knee and fused ankle makes it stupid-difficult to get out of.]
Brett is right that the Monarch doesn't let a fellow take his weight off his feet, they are required for balancing and, my footsies prefer to be off-duty at the end of a long trail day.
The REI camp stool that RK helpfully points to seems a possibility although I'm really looking for a chair with a back so I can recline a bit and suitable rocks or trees cannot always be counted on to exist in the exact spot I want for lounging view-taking-in. Sitting like a sack of potatoes on a stool just doesn't seem loungy enough. But, as Erik points out, it sure is nice to have something--anything--to sit on when putting on shoes or cooking.
The Crazy Creek chair mentioned by Donna looks like a Thermarest chair I used to bring. As a guy who has one (1) fused ankle and (1) titanium knee, I can say that climbing down to the ground and back up to get into & out of a chair like that isn't easy in the least and necessitates lots of undignified grunting and contorting.
I'm not a hammock person. Don't care to spend any time not sleeping laying down, and while the Hennessy Hammock is the best solution for a side-sleeper, the weight and cost, not to mention the frequent number of times my chosen campsite has no suitable pairs of trees, take hammocks out of the running as a camp chair.
Finally, Franco suggests that "A YouTube clip of you falling over on your Monarch chair may help in pinpointing the problem and finding a solution. Multiple falls taken from different angles would speed up the process."
I'll get a camera crew to follow me on my next backpack and see if I can't get enough data for analysis and embarassment.
So I think we have covered the options? Self-supporting or sitter-operated sling types like the Slinglight or Monarch, folding flat-on-the-ground chairs like the Crazy Creek and Thermarest, and stools like the REI? Anything else out there except for some massive car-camping chair from Walmart?