I've also been using Mobipocket Creator (also free) to make .PRC and >MOBI files (for the Kindle) from HTML (save from Open Office or Word as HTML, then run your .HTML file through Mobipocket Creator. It's very easy.

And the easiest, free, way to get PDF files is to use Open Office (which I use all the time instead of Microsoft Office anyway) and export to PDF.

[...] This post was mentioned on Twitter by Vanessa O’Loughlin, Clifford Fryman. Clifford Fryman said: RT @BubbleCow: Do-It-Yourself E-Book Conversions – http://bit.ly/6j5BKK [...]

pdf to epub for $150? it's nonsense
use Calibre instead, it's free
or online converter http://2epub.com