- Reply, forward and delete to the message preview pane
- The option to add a contact to the address book by starring it.
- Adding the birthday of a contact
- Tab drag and drop between windows
- significantly improved web applications performance
- support for <audio> and <video> tags as defined in the HTML 5 specification and native support for open and free Ogg Theora and Vorbis video and audio formats.
- Geolocation will enable Firefox to provide the current user location
- A better session restore feature.
- and much more
Links and Resources
Mozilla Firefox 3.1 Beta 1 Release Notes
Firefox 3.1 beta 1 released and reviewed - Mozilla Links
Firefox 3.1 Beta Hits the Streets
Thunderbird 3 Alpha 3 available now - Mozilla Links

AT&T moves closer to offering in-home cell base stations 

