You may want to take a peek at Vapor Shark. I have two of them and they are great. If you have the bucks the DNA 250 is awesome. Plane Jane looks but the performance makes up for it. The Switch Box DNA 75 is cheaper but is still a very nice machine. Thinking about picking up a Hedron next. It's a reworked Wismec Reuleaux RX200S made out of better materials (no 510 issues). I have to say that I am really impressed with their stuff.