2002.04.30 01:21 "RE: Software: Tiff2Pdf, Pdf being Searchable text", by Kiriakos Georgiou
At the Naval Research Lab we use PrimeOCR for TIFF->PDF. The unlimited license is $10k+ per CPU. OCR accuracy for machine print is phenomenal (better than Adobe Capture v2 which we used to use). They also handle color TIFFs.