I put together a series of short videos to provide an overview of what one2edit and how it works.
You can find it here on the 1io web site.
There has been a lot of work done in the last few months, and the 2nd half of this year will see a number of additional enhancements added.
Nitro PDF has announced a beta of its new, very cool looking PDF reader app.
No mention of a Mac version.