They are not difficult, just they are capable of so much. I've read lot's of stuff on the virgo's in the nearfield. If you can put them way out into the room, I bet they'd sound awesome, especially, with your ARC tubes. What you're are asking for in a speaker is what the virgo's are known for.
Take a look at immediasound.com and see if you can follow the placement suggestions...not exactly sure what page, but it's a small site...
Take a look at immediasound.com and see if you can follow the placement suggestions...not exactly sure what page, but it's a small site...