As a long-time owner of Vandersteen speakers, I obviously like their product line -- at least their primary floor-stander models. I am less impressed by the VSM's, however.
The VSM's are really intended for wall mounting, and their sonic characteristics were optimized with that in mind. If you are going to put speakers on floor stands, I'm inclined to suggest that you instead buy a pair of Model 1C's, or the VLR-1's. The Model 1's will not require a speaker stand (making them more stable), plus they offer better placement options. The VLR-1's can be stand-mounted much more easily (given their shape) than the VSM's.