Audio Physics is also a big proponent of long wall placement. I had my Virgo's placed this way years ago. Now I have my Watt/Puppy's in pretty much the same config. Check out my pics in systems.
FYI: http://www.audiophysic.de/info/aufstellung/e_index.html
FYI: http://www.audiophysic.de/info/aufstellung/e_index.html