I got one and the AIO from Joyetech is OK. But nothing special. The best coilheads are the 0.6 with 1.0 comes nothing out. Using it for my tobacco flavors and I'm looking on Kayfun 5 clone 'cause the Kayfun is overpriced. I've tested the original it's good but not worthy 115 bucks here in Germany 117€. Digiflavor Siren 22 is a reasonable way 2 go. But kayfun clones are even cheaper.