While I have a number of mechanisms to create PDF files and manipulate them – i was very interested to se Nitros addin for Firefox. You can get it from https://addons.mozilla.org/en-US/firefox/addon/636
The gist of the addin is the ability to create pdfs from web pages – while online….
The authors description is
Use PDF Download to do whatever you like with PDF files on the Web. Regain control of them and eliminate browser problems, view PDFs directly in Firefox as HTML, and use the all-new Web-to-PDF toolbar to save and share Web pages as high-quality PDF files.
This will come in very handy with the Syngress e-books library I recently acquired – lots of nice technical ready ahead.