I own an Oxygen Mini. I like it. You just have to get used to it at first and not use the plastic mouthpiece or tubing that comes with it.
I also have a vapor brothers but it's not as portable as the mini but you can regulate the hits a lot more.
Those are all I know from personal...
I just received my oxygen mini today (actually about 1/2 hour ago). All I can say is I'm orbiting the moon right now. :brow:
BTW, new here within the past week. Thanks all for the good advice.
Although yesterday I wasn't thrilled with some ISO I tried to make and then eat in some soup with...