I'm re jigging my IEM set up, and considering setting up for the option to be able to pan things left and right. I won't get a true Stereo mix (individual instruments panned) as I am taking a mono send off FOH, but it would allow me to do this for example: Vocals - centre Bass - panned toward the right Ambient mic - panned right FOH send - panned left. I'm on stage right so this would be realistic. I run a Compressor and eq before my IEM so it would mean having stereo units for both these components, but I have options and preferences for both stereo or mono. So - I am looking for stories/experiences from people that have played around with mono vs stereo. Did having a stereo mix in your IEM change your life, or is it a nice thing to have, that is not worth the extra work/expense?