I like the looks of the OBS cube, I think it is a great device
I have an old OBS Engine Sub ohm tank, not the RBA though.
Post # 1 I think it looks sleek and simple. Sometimes keeping it simple is the way to go.
Post # 2 OBS Cube
1 Cool kit
2 OBS Engine 2 RTA 5ml
3 OBS Bat 218W TC MOD
4 OBS Draco Starter Kit 3000mAh
5 OBS Crius 2 RTA Dual Coil Version 4ml
#2 OBS Cube