I usually build on an Aromamizer Supreme. I normally just build simple 2.5mm, 7 wraps, spaced, dual coils. With the 28ga SS430 it comes out to ~.31 ohms. I vape at 420F 30 watts with 60 watts preheat, 5 punch, for 1 second. Very nice vape imo.
Cheers,
Steve