Listened to the S-520 when helping a friend put together a system. Maybe it was the rest of the gear (Rega amps) driving the S-520 but I found them small sounding and bright. We ended up going with a DALI concept 2 instead, which I think is fantastic for the money. perhaps the best I've heard new at that price. I've lived with VR-1s for many years now, and I don't really think the S-520 is in the same league. though of course the VR-1 costs much more. On the other hand I heard the Usher cp-6311 at RMAF and here in chicago and I think they're really excellent speakers.