The latest Paddle bundle is all about PDF. The so called Productive PDF Bundle contains 3 apps at a price of only 6.50$. The bundle will probably be available until the 27th of november.
The following PDF tools are included:
PDFoo
offers direct links to parts of PDFs.
PDFOutliner
adds a Table of Contents to PDF files.
PDFExplode
seperates larges PDFs into small ones.