It's one of the many varities that BC greenhouse growers produce. It's called Rosso Bruno and to my knowledge, they're available at Safeway. Perhaps other chains too.
The colour of my picture didn't turn out so well. Let's take a closer look at what they really look like:
The nutritional values of this black tomato is pretty much the same as other tomatoes. I've personally tried it and I found it a bit sweeter than regular tomatoes, and I couldn't taste the sourness that tomatoes usually have. I certainly find it unique and different from regular red tomatoes.