In my listening room, treatment for side-wall reflections is not an option so toe-in is necessary to achieve a solid, focused presentation. Doing so results in a slightly "brighter" sound, which I balance by placing the speakers closer to the front wall for added bass reinforcement..
Speakers positionning
I just try a new toe-in for my speakers, and it worth the move. Instead of crossing the focus behind my head ( at position seat), now it cross in front of me at 2 feet. The highs are well defined and present with well blend music
and no more edgy treble at "forté" passage... But it depends of your room and speakers... You can read more about here:
http://forums.stevehoffman.tv/threads/speaker-positioning-toe-in.321814/
http://forums.stevehoffman.tv/threads/speaker-positioning-toe-in.321814/