Received an email from DC Comics today letting me know issue one of Madame Xanadu was available in PDF format as a free download. I checked it out and it pointed me to a list of free issue one Vertigo comics: 32 and counting. An excellent free resource to whet your appetite for Vertigo.
Everyone needs to create a PDF file at some point for distribution, archiving, whatever. The open source and free way to do it elegantly and simply is to use PDF Forge. Installs as a printer driver and has lots of options for the finished product. PDF Forge