Best all around box speaker between 15K and 25K

Get out and have a listen to the Vmps RM/X's, at around $10,000 a pair you will have plenty of cash left over for an active X-over and extra amp for a bi-amp setup of these monsters. http://www.vmpsaudio.com/rmx.htm

I have not listened to a pair of these yet, but have listened to their little brothers..Vmps RM-40's.

Dave

I would second the Verity Parsifal recommendation. Their beautifully refined and transparent midrange makes them great for vocals and acoustic instruments. They can rock too, providing your room is not too large.

I wish we'd stop using the term "best".

...piega c-10 ltds have to be on any list of speakers in this price range.

You can toss in Burmester B99's to the list and Silverline Audio's Grand La Folia. You might as well throw in Sound Lab U-1's while you're at it, possibly even Talon Firebird or Khorus, maybe Cain & Cain Ben ES... the list goes on and on!