Thanks all - plenty of hose options post-purchase if I don't get on with the basic hose. centec has air relief valves, so I guess the Nilfisk not having variable speed for sanding won't be an issue.
Looking at the Nilfisk Multi II for diy and power tools - the hose end has a large plastic bit permanently attached? How do you get on with that attached to something mobile like a sander?
Currently using an old, weak-sucking Dyson with a similar plastic handle that is forever falling out of my...