My initial shipment of print book arrived Tuesday and I've updated my inventory system. There are a few stragglers that haven't arrived yet, but currently all of the Modern d20, Fantasy d20 and Darwin's World books are now in stock.
Still outstanding are one Ture20 book (BNF) and two GM Mastery books. The reprint of NPC Essentials will take some time as I've lost the original (doah!) and need to have it scanned.
Here's a complete list of books In Stock: