In my opinion the B14 kit doesn't make the car better than pairing the stock dampers with the Swift springs. The B14 has half the valving of the stock dampers everywhere. Not sure why Bilstein did this, beyond wanting to make the car ride better with a stiffer spring.
If I were planning on autoxing the car, I wouldn't want the B14, I would want something with stiffer valving. However the ability to revalve the B14 Front dampers is a huge advantage. The rears as mentioned in the science experiment thread require some machining to open them up, this will shorten the already shorter B14 damper even more.