One thing that completely changed the way I work years ago was making all my EQ decisions while listening in mono. It's as close to a magical hack as I can get because it always forces me to make better EQ decisions. Which helps your mix sit well on multiple different speakers.
Once I went that direction I have never gone back.
This video might help explain what I mean:
http://therecordingrevolution.com/20...-part-5-of-31/
Cheers,