Hello! I tried to use latest doPDF as alternative for FreePDF (http://shbox.de/) - doPDF smaller, faster and run fine on Windows 7, yeah!
But: FreePDF make much smaller PDF files with better images in it. Please compare:
(main forum page saved in FreePDF 4.02 - latest; and doPDF 6.3 build 311 - latest)
(doPDF) PDF Forum - doPDF.pdf │267.8 K
(FreePDF) PDF Forum - doPDF.pdf │87.50 K
Also you may check files here:
As you see, size of file generated with FreePDF 3 (!) times smaller than doPDF file.
And images looks better: