This is an effort initiated by CromScott and continued by Metal_Guitarist (both on the official SI forums). It has been the most frequently updated data update for summer 2010 really.
Full release is out now.
Head over to the download page for all details and download link.
* The picture above is made by me, inspired by Metal_Guitarist's username... please forgive me for the skull illustration, I'm a metal music fan myself :beer