I have a Festool CT Midi and Oneida Ultimate Dust Deputy which I bought in a noise-induced migraine-fueled rage — not cheap, but it works well:
While it worked well w/ the original tapering 35mm hose and a Sweepy v1, getting the v2 and switching to a 2.5" hose:
Fulton Dual Anti Static Dual Dissipative Semi-Clear PVC Hose
sourced a 2.5" elbow and some hose clamps and it all fit together quite nicely.
Also hacked up a dust wand: