my RM4 (atomic) is hands down the best vape of all that I have (graal, rm2, RM4, ebaron spiral by leo, A5, A7, cyclone (non-afc)), for me personally.
RM4 - I like it's flexibility, flavour and vapour production - its my preferred.
Graal - hands down the best single coil atty out of all the above. low vapour, but massive flavour
RM2 - easiest of all to setup. reliable, middle of the road vape, simple and quick
the others I can give you my feedback if you ask, but that's it for now.
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