I've been accruing self-made PDFs at an incredible rate (I've gone from 0MB to about 50MB in three weeks, and I expect the number to continue growing exponentially), and I need some way to plow through them for useful information.

I don't have Tiger yet, so Spotlight isn't an option. And there's still no word on whether Google will bother porting their search program over to OS X at any point. So, I'm trying out blinkx. Updates to come.