That video is from halfway, a member of this forum. He generally posts updates on it in this thread.
http://www.hydroponicsonline.com/for...r-culture.html You can also see the link to his blog with updates and videos of all his hydroponics in the signature of his posts.
The water culture systems work great for most plants, and are probably the easiest and cheapest to build. I'd say definitely a good choice for your first grow. But also many after that as well. I'll be putting some lettuce into one again in a couple of weeks.