Rolling the Bones: A Graveyard Supplement has been published by 93 Games Studio! It's available via these four fine suppliers:

RPGNOW
DrivethruRPG
Arima.it
Digital Book Booth

Keith Taylor has done a great job with it. If you play d20 Modern or even Call of Cthulhu, you must own this PDF! And at $5.00 for 41 pages, it's a real bargain.