Merlin Excalibur Speakers - Any Owners?

I ran into some interesting speakers today that I had never heaed of, called Merlin Excaliburs (Merlin Excalibur III: used, probably 5+yrs old). I was impressed by the way they reproduced single instruments (especially piano) and their soundstage for orchestral works (I was also impressed by their size).

Does anyone have experience with these speakers which they can relate? I am interested in all opinions. Please note associated components if possible.