Adobe announced via Adobe Labs their beta release of Dreamweaver CS4, Fireworks CS4 and Soundbooth CS4. You can go right now and download each of the applications to play with and try out.

Dreamweaver CS4 New Features:

• Live View
• Related Files
• Code Navigator
• CSS Best Practices
• Code Hinting For Ajax and Javascript Frameworks
• HTML Data Sets
• Photoshop Smart Objects
• Subversion Integration
• Adobe AIR authoring support
• New user Interface.

Fireworks CS4 New Features:

• New user interface.
• CSS and Images Export
• PDF Export
• Live Style improvements
• Adobe type engine
• AIR authoring

Soudbooth CS4 New Features:

• Arranging audio files on multiple tracks
• Making quick edits and applying fades.
• Matching volume levels with a single command
• Removing unwanted noises and background sounds.
• Adjusting tempo and pitch
• Recording and polishing voice-overs
• Previewing MP3 compression quality
• Easily create customize music.