Some chocolate pods showed up in the UK in 2015; there also were some caramel variations that showed up. I think there are more of the caramels than the chocolate (but some may be calling or labeling chocolate/caramel interchangeably Ive seen it before) Either way yes, it does exist.
I know several people in the US have and are growing the caramel variation (dont know specific people, but Id imagine Matthew would be one) - there would be more, as I and a few others were talking to someone about getting some over here, but sudden family problems had the source leave all online activity even up till now. It was mainly just a novelty kind of thing at that time dont even know if it grew true as Ive not seen or heard anything about them in over a year. Still pretty cool nonetheless!
Looking forward to the pics!
This is the only vid of them posted that I know of:
https://www.youtube.com/watch?v=ijIvdGXoPBk