Provape had at one time
Pro Wraps from J-Wraps on their site. I see they are now offering the
Tatroe Base and Provari Rings (battery extension sleeve) which can be used to jump one size up in battery size and serve as a nice base to better balance your Provari if using a top-heavy juice delivery device like an RBA. They may offer a top cone beauty ring at some point, too, but I am not privy to that information. If you are into clearos, there are several clearomizer options that use a 510 connection in their base. The Kanger Protank and the Innokin iClear 30 come to mind, as well as the Vivi Nova.
Tatroe base and extension rings on Mini Provari. Pro Rings (beauty rings) on both.
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Here's an interesting interview with the Provape team by Spinfuel Magazine:
The ProVape Team InterviewThe ProVape Team Interview
Recently found another one which I copy/pasted:
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Escape the Analog: The Provape Interview
Recently, ETA had the opportunity to conduct an interview with one of the most well known companies in the electronic cigarette industry. Provape, makers of the Provari, were kind enough to take some time out of their day to answer some questions for us:
1) How was Provape started?
- ProVape was started because we were not happy with the Chinese devices that we had tried and even some American made devices. We went through all the same problems that most people have with lack of vapor, quality and battery life. We were frustrated with all we had tried then they fell apart 4 weeks later and needed to be replaced.
We wanted to design and develop a better quality device that solved these issues.
2) Recently with such devices as the smoktech Vmax, the Varistack, and the L Rider models of Variable voltage devices being manufactured, does Provape feel the need to be more innovative with the Provari, or do you feel the Provari has become an industry standard by which other devices will be weighed?
- ProVape is always innovating new ideas and improving its current products. There are all kinds of new technology being worked on by our team and were excited to keep innovating. We feel that even though these devices have hit the market, they still don’t compare to the quality and feature set that the ProVari offers!
3) As we have seen with other devices and accessories, China has become very skilled at producing reproductions of U.S. made devices and acessories. Does Provari anticipate that China will do the same thing with the Provari? how should a company handle such a thing?
- It’s possible, but China is known for having poor quality production. So while they may try to copy us, we have very solid electronics built to military standards and with all the details that went into the design, it would be very difficult for them to copy everything, including our quality standards and service.
People buy the ProVari for its high quality, feature set, dependability and knowing that it is made in America by a reputable company with excellent support. Beyond the initial sale, Provape stands by its products and customer service. These days, that is rare to find and this adds a lot of value to buying a ProVari.
4) With the advent of Variable Voltage, many devices that use just 3.7 volts have begun to shrink in popularity. do you see a time when the variable voltage device will become the device of choice for the newcomer to vaping?
- I think it’s already happening.
5) There have been Provari owners who have modified the look of their devices, have you seen any that were particularly impressive?
- We think they are all great! There have been some very creative ones that we have seen, I just can’t think of one in particular that stands out.
6) If you could choose just one quality that best describes the Provari, what would it be?
7) What does Provape think about tobacco companies entering the world of vaping, for example, the purchase of BLU ecigarettes by Lorillard?
- It’s a little early to tell how this will affect the market but generally we think it’s a good thing and will help support and keep vaping around for many years to come.
and I refuse to dismiss VW as a fad or gimmic simply because I can't wattage my ProWari with a click. 
