Richard wrote:
  Seems like a good application of Amazon's
"mechanical turk" web
 service, if you're willing to pay a small bounty for someone else to
 transcribe the PDFs.  If you were to use Amazon's service, I'd split
 the PDF files into smaller files containing 5 pages each and submit
 those as the unit of work to the service. 
Same problem as OCR.  You'd spend
more time cleaning up the results than
it would take to type it in yourself.
Eric