Your taste in audio seems to be very similar to mine. Hopefully, you will find my insights helpful.
What I have that's travel worthy:
Soundmagic E10BT - Bluetooth IEM's, 12hr battery, cut off at the freq. ends but midrange is magic & has that PRAT factor. My go-to when traveling light.
Blue Ever Blue 1200EX - IEM's, took forever to break in (60+hr), Very good bass & overall detail but a little hot on top. V-shaped response. These are...