Today I stumbled over Repligo from
Cerience . I immediately fell in love with this tool!
Have another look
here .
Basically, Repligo installs a virtual printer on your Windows machine, which allows you to basically "print" any document to your Palm. So it works with any type of document, such as Adobe .pdf or WinWord .doc files.
I think this is a great add-on to whatever offline browser you are using.