I was wrong once before.
Good deal, no comfort comes close to a Corbin! 
JC - with THIS Corbin I totally agree. It fits me like a glove, and I didn't have to do any squirming around on the ride today to get/stay comfortable. I love this seat! (The backrest is another story... see below...)
But with the Corbin that was on Bertha the Evo when we bought her, I couldn't ride for more than 30 minutes without my legs starting to go numb. The throat on that seat was way to wide for me, and it was too high. I sold it on eBay for $300, and bought a Mustang Regal and rider backrest that is still on Bertha today. I love that seat, too.
I like Mustang's backrest implementation better than any other seat I've seen. You can remove the backrest just by pulling up on it (of course, so can thieves, I suppose!), it has multiple click points that hold it at different heights, it folds down for the passenger to get on/off, and has a knurled nut on the back that allows you to easily adjust it forward or backward. With the Corbin, I have to use an Allen wrench to install/remove the backrest, and swap out bolts to adjust the lean angle of it. The doughnut shape of the backrest is also not very comfortable... it puts pressure points on my back where the upper and lower parts of the doughnut are. On the ride today, I had to lean forward often to relieve the pressure on my back. The solid, heavily-padded Mustang backrest on Bertha is far more comfortable for long rides.
So, for comfort... Corbin gets an
"A" for the seat, but only a
"C" at best for the backrest. The Mustang on Bertha gets
straight "A"s for both seat and backrest...
but it doesn't have orange flames that match the Hot Citrus!