Thanks guys, got the Vamo and all I can say is frickn' awesome! Using the 1.5 ohm dual coil cartomizer on a 5ml. tank. Speaking of tank this thing is built like one! I got the older chrome version with the white buttons from Vaporbeast for $49.99 shipped. Bought it as soon I saw the youtube review from Phil. I don't know if this is the best price I could have got for the older version but I'm happy just the same. Ordered on Monday had it on Friday. First off build quality is excellent, clicky buttons, nice finish and good threads. I installed a Trustfire 18650 battery and no battery rattle whatsoever. I put my 5ml chrome tank on and it's perfectly straight on the 510 connection. Experimented with settings in RMS mode up to 10 watts. 10 watts is a bit much for me, 8-9 watts seems to be the sweet spot, tons of vapor, great throat hit, this device is all it's said to be and more. IMO opinion you can't go wrong for the money. I'll be looking for a good deal on another one as a backup as no way of telling how long this one will last but it seems to be a good one! Couldn't be happier and once again thanks to all for your replies.