My 3 favourites, each have a flaw not gonna lie,
Rpm160
pros:
dual 18650,
Rdta pod
2 stock pods 1 for use tfv8... Cool feature
Good capacity
Con
No mtl features
Rpm80pro
Pro
Took best think of rpm40 - coil
2 pod types rgc(dl coils) & rpm
Both pod types have rba
Flavour great on stock
Has 510 adapter in range
Con
Personally can't fault it.. Other then fact mtl rba may come under rpm40(not had 1 of them lol)
Thallos S
Pro
21700
Direct lung coils are superb 1300 puffs so far
5ml pretty good
Heard rpm pod(not just rpm2) aswel which I shall get as I prefer original rpm coils
Con
MTL. Rpm2 Coil suck
No rpm 2 rbas
No 510 adapter