Your sound system looks good. Especially, JM Lab speakers look impressive. You have been doing so far so good. Why do you want to change speakers? Changing speakers is a hardest upgrade in hi-end. It will be hard to your back and ears. There is no guarantee that new speakers will sound better than your JM Labs. Finding optimal position for new speakers will take 6 months. New speakers will commend you to buy new amps. What was a last time you changed component? Not too long ago? Don't do it. Just enjoy your sound system for at least a month.
In case, if you can't enjoy your great system, please try Mi-Horn. It's time your brain and ears should have a break. Mi-Horn will deliver musicality to your system. When a sound system is musical, one doesn't need for a sound stage, focus, imaging, full body sound, tone, etc. Just listen music and feeling great. Forget about upgrade for a while. Actually, forever. Mi-Horn will be easy on your back and bank. Get Mi-Horn installed and just enjoy music forever. I guaranteee that you will be happy. Or 100% money back.
Happy lisyening. :>)