Lots of positive chatter about this system on ADV and a few other forums.
1. Yes it is more expensive than using some ROK straps - so that doesn't need to be discussed
2.They claim that their system will work on any bike and I think that it might work for some SB riders who are looking to tour
with soft luggage options basically it creates racking system using specially made soft straps.
3. Since there are no SB pictures in the gallery it might be a thought to write them and try and get a set shipped up and see if it will work on some sport bikes.
4. If you design a system they will name it after you