Unless your room is exactly like mine, with speakers exactly like mine, and you have managed to obtain my specific taste regarding the sound from my carefully thought out speaker placement, any suggestions from me are useless...mostly...but a good place to start is to put the speakers in front of you and listen to them...get a rug...buy furniture...don't live in an unfurnished shipping container...get a furnished one.
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/