The Comfort seat option was fitted by Morgan before I purchased my car and is a huge improvement on the seats in the demonstrator. My seats have the same squab as the Comfort Plus option that is currently available, but do not have the inflatable bolsters. Nonetheless, they are extremely comfortable and long journeys are no problem at all.
I find the P6 to be a very comfortable car overall and well laid out. I would have preferred the paddle shifters to rotate with the steering wheel but nothing is perfect.