Karl L. Gechlik, who runs his own consulting company, manages AskTheAdmin.com and works a full 9 to 5 job on Wall street as a System Administrator, recently submbled upon doPDF and shared his opinion about it:
I quickly Googled around looking for a free, easy solution. Lots of places claimed to do what I wanted but the first one that did it EASY and FREE was doPDF. [...] This is simply awesome.
You can read the entire post here: Use doPDF To Convert Documents To PDF For Free (Windows Only)