Makers of 510 atties include: Boge, Bauway, EastMall, Joye, Cisco, just to name a few. Most of the reports I've seen on LR atties recommend either EastMall (but some say that recent production batches may not be as consistent as older production batches), the Bauway 2.5 ohm, and the Cisco LRs. And of course, the original Joye atties. But no matter what, you may have a different experience from other users because we all vape a little differently, therefore heating/cooling the atty differently. We also all use different eliquids, some of which seem to adversely affect atties - those that are darker and/or thicker.