I linked to it in the first post, a few messages back. Here's that link: https://docs.google.com/spreadsheets/d/1jv97ERhahE7pP5xAVIXtHEE89Ew4CHiz7imtwsYw8zg/edit#gid=4

And here is the original thread for discussion around its usage (also linked from profile signature):

https://bitcointalk.org/index.php?topic=326308.60