Mind, you can pledge whatever you want (as long as it is above $10) to get the PDF. Just make sure to select:
PLEDGE $10 OR MORE
A Roy Greenhilt fridge magnet, exclusive to this pledge drive, shipped anywhere in the world. Plus a digital PDF of the original OOTS story, "How the Paladin Got His Scar," when it is completed. (Note: All of the rewards below this include the digital download as well.)
Estimated Delivery: Apr 2012
And you're all good.