Yes, the original Monsternomicon was updated to 3.5, I have a copy of that book. As for the PDFs, I don't know. I've never seen them....
After a bit of research, I see two PDFs from Privateer Press. Neither of them are sourcebooks though.
It looks like a Parkinson to me... I'm pretty sure that's his signature in the lower left part of the image. Not really sure about the context behind it though.
If he doesn't mind getting up a bit early and cramming in my car, he's not far from Wednesday Boy and he and I are are carpooling down to the Metro on Saturday. Have him email me and we'll set something up.
Tom, in case that people arrive early (not knowing the commute time, I probably will be) are there places nearby where we can hang out until the start time grows near? I'd hate to be hanging out in front of your building with nothing to do, you know?