I've been using Foxit PDF instead of Adobe Reader for ages. I'm not a big user of PDF files, so I don't need whatever it is Adobe jams in to the 90-some-odd megs of disk space the new version consumes.

Vuzit's online document viewer is a nice service, but I want single-click document handling. I don't want to download a file, open a new tab, browse to Vuzit, then browse to and upload my doc.

The Nodobe addon does exactly what I want, adding a new option Firefox's right-click menu. Find a file you need to open, right click it, and Vuzit's online viewer will display it in a new tab.

My one complaint is that it doesn't add an option to the download dialog, meaning it can't handle attachments from my Gmail. OpenItOnline, my document handler of choice, does provide that functionality.

Those with privacy concerns will want to read Vuzit's policy first, just to be on the safe side. I like to err on the side of caution with my docs, so anything really important I'll still be reading offline. For manuals, spec sheets, and the like, the Nodobe Viewer is a great alternative.