Over at Beyond the Boxscore, Sky recently finished a series of position-by-position reviews using the Total Value statistics that I released last month. He did a great job, and his series gave these data a lot of attention and a thorough vetting. He did was a great advocate for the data and the methodology in general, while also providing good insight into situations where the data weren't working very well.
Here's his series in entirety, broken down by position:
Finally, here's his piece on overall rankings across positions.