This week my boss bought a new PC for me with the Intel Core i3 processor and 4G memory, and it is the first time I have chance to use 64bit Windows 7. Windows 7 recognizes most hardware drivers, so I have no trouble to install driver until today.
Today when I wanted to print the Western Union Quick Cash from Google Adsense, I found I have not installed the printer driver, HP Color LaserJet 2605dn PCL6(installed on Windows 2003 32 bit server), I do the same steps as Windows XP, but failed, no driver to use. After a quick search, I got HP Universal Print Driver for Windows PCL6 x64. I can successfully installed it as local printer driver, but still failed to install it from network.
Continued to search, and have no answer, then I though how about for Vista 64-bit? then I got HP Color LaserJet 2605 PCL6 Plug and Play package, and it really works.

Xournal is an application for notetaking, sketching, keeping a journal using a stylus. It is free software (GNU GPL) and runs on Linux (recent distributions) and other GTK+/Gnome platforms (also support Windows now).
It is similar to Microsoft Windows Journal or to other alternatives such as Jarnal, Gournal, and NoteLab.
Xournal supports annotates PDF(render/import PDF) and export annotated PDF.

It uses libpoppler to render/import PDF, and uses poppler-glib to create Annotated PDF, but it is a pity that it convert the original PDF to image version PDF.

Introduce
wkhtmltopdf is a simple shell utility to convert html to pdf using the webkit rendering engine, and qt.
Usage
To use this software download the latest static release unpack it and run it like
wkhtmltopdf www.rubypdf.com rubypdf.pdf
for a list of available options see
wkhtmltopdf --help
Features

• Convert web pages into PDF documents using webkit
• Adding headers and footers (static version only)
• TOC generation (static version only)
• Batch mode conversions
• (Linux) No longer requires an XServer to be running (however the X11 client libs must be installed)
• Supports multiply platforms, Windows, Linux, Mac OS X and so on

Download
precompiled binaries and source code

btw, there is another project named Webkit2pdf, is built with Webkit, GTK+, Poppler-glib, not qtwebkit.
Webkit2pdf is a little tool designed to fetch web pages and export them to numbered PDF files (or to print them). It allows specifying paper size and output directory. It is released under the terms of the GPL, version 3 or later.