The US vs other version of the BE 718's has something to do with the crossovers. If you search the web, you'll find lots of information about this. Also, you'll find the Music Matters guys to be very responsive in answering questions about this issue.
Wondering about Usher Mini Dancers
Anyone heard the new Usher Mini Dancer One or Two, perhaps at a show? These look promising at realistic price points. I think they are relatively new.