it seems like the lower resistance ones are always vertical. all the horizontal ones ive seen are all well over 2.0.
that being said, ive been grooving hard on the 1.6 ohm dual vertical
coils.
smoktek and
madvapes have them. they even come in a clear shell. theyve got filler so its still tough to tell when theyre going dry, but the clear shell does help when filling. nice n even fills. they totally rip hits. its like a steam whistle. the thing is you cant use them on a regular KR8 batt. unless its high mAh and has a slotted center post. personally i use them on my 808Ego and i just cant get enough.