Any recommendations on a 28,5mm (or 28 if I have to) RTA? I have a Jedi Edition Purge Tube Mod on its way from the USA and it's 28,5mm. It's the Light Saber Edition and I would like to pop an RTA on top if I can find a decent one. Yes, I guess it will have to be a dual coil tank with an 810 drip tip.