Here are some links and video reviews I’ve come across so far in my quest to learn more about Soylent.
A very detailed story by The New Yorker: The End of Food
Here is a link to a YouTube series of a man who has been video blogging nearly everyday about his experience with Soylent. https://www.youtube.com/user/IamSoylent
Then this 23 minute video of a guy who’s tried it for 30 days so far.