Lots of links on the DriveThruRPG.com DRM debacle:

Last time White Wolf games got into a PR disaster like the one that erupted over their pay-to-play policy was the DRM debacle over at the Wieck owned DriveThruRPG.com. Boing Boing obliged with a slew of links detailing that whole disaster. Now most of the pdf's sold there are normal although watermarked, which means that even I am shopping there for game stuff. Check out these links for this:

Boing Boing: White Wolf's last copyright debacle: DRM disaster