Vaping on mine right now. It has a deep well, great airflow range (mouth to lung is possible if you build for it and close it down), tons of flexibility and room for your builds, supports single coils, and is machined beautifully. The chuff tip took a little getting used to, but it works as expected, no juice drinking after a full week of near constant use. With the right wick and conscious dripping, it doesn't leak (though there are times when the air slots have minor moisture in them). The base of the atty is not lipped, but the designers were smart and made it so the outer sleeve extends just past the base, so your mod won't wick juice out the bottom unless you over tighten it. The centre post has a legitimately squared insulator. Oh and if you like, you can drip through the cap.
My only real complaints are that the centre post appears to be aluminum, and the Philips grub nuts drive me bananas. My RH came with two extra sets - one of them hex screws, but the provided Allen key doesn't match.
I'm incredibly impressed with this atomizer and, even at MSRP it's a winner.
[EDIT] I can't believe I didn't mention flavour! You have to build for it, but this atty chucks and tastes damn fine while it does it. I'm using a twisted single coil at 0.68ohm, and the flavour is only barely behind my Immortalizer. Wonderful.