Started with Blu's Premium 100 kit. Moved on to eGo 900mAh battery. I use XL dual coil cartomizers. Also just received a bunch of new stuff today. the 3.5ml DCT dual coil tube kit, Single clear eGo mega dual coil cartomizer, 510 XXXL clear cartomizers and a black eGo mega cartomizer. I've tried clearomizers. And also got a 650mAh variable voltage battery today as well.