Yesterday, after adding a few final features to the site including Amazon reviews and an updated algorithm for scoring (when there is a tie, newer works get a higher rank), I "launched" bestcommentaries.com.
I emailed Andy Naselli and, as soon as he posted, the interwebs lit up with links to the site. I've also received lots of super-helpful emails from students and professors noting books to add and update. Thanks to everyone!
Here are some links: