I hate the hose on that Rockler kit.  Even with just a standard shop vac it wants to pull you or the vac across the shop.  I haven't tried it yet but I am sure it is unusable with my Supercell DC.    The new kit they have has a rigid hose that should not compress.  

--Nathan, TX. Hire the lazy man. He may not do as much work but that's because he will find a better way.