Widening Soundstage

Put some casters on your chair and pull it up for near-field listening. Push it back when you're done to allow ingress/egress.

In general it looks like your listening position is to close to the back wall. Move everything forward.

Try a slight outward speaker toeing.

Good luck and let us know what works!

"Positioning the speakers with no toe in definitely widens the sound stage but at the expense of imaging "

This supports what Mapman is suggesting. I'll throw in the Gallo Reference 3.1s (or Ref 3.5s coming later this year) as a great imaging speaker. I can tell, this is not an option you want to consider, but there it is.

Did you try toeing your speakers outward. Several of us have suggested it...

Yes, toe them out. It's free and easily reversible.

Want wider stage? Play these CDs:

http://forum.audiogon.com/cgi-bin/fr.pl?gmusi&1234060583