I started with 1/16, moved to 5/64 and I have stayed at 3/32. This was because I kept going lower and lower on my builds and I had to keep up with my heat.
1/16 was perfect for .8 - 1ohm, 5/64 was used for .6.-7 and I stay around .4-.5 now with 3/32.
I like an airy draw, the flavor is still...