I pulled the above text from one of the sites referenced above. I find exactly this with my TSR30. I know the suspension is somewhat different, the DP having rubber springs in the front, but the basic idea is similar and it IS TRUE that the bike rushes smoothly over pretty bad road surfaces - far more surefooted than my mountain bike. I've set my front suspension on the stiff side and the bike bobs much less if I get out of the saddle now. It does still bob though. I just drop a gear and sit. The riding technique needs to adapt to the design.
The most obvious area where this bike outperforms a traditional bike with large wheels and no suspension is in its ability to grip over uneven surfaces.
Down a regular test section of rough road descent, the Double Pylon was simply stunning. The level of grip and confidence it gives is amazing, and the ability to brake hard and change direction rapidly at the same time over rough terrain has to be experienced to be believed - it's a lot like riding a top dual suspension mountain bike with slicks, only faster.