I ride one of the newer Disc Truckers so I have had over a year riding on the Truck Stop Bars. For dropbars, I do like them and appreciate the rise, but have been increasingly towing with the idea of migrating the bike to a flat bar configuration. Like many others, I pretty much never use the drops.
I am pretty confident that I would not find flatbars with more than a little backsweep comfortable. At the moment, I am pretty sure I am going to start with the Ergotec AHS Comfort bars, which are basically just the riser (25mm) version of the Humpert Hornbars:
