FireFox 1.0PR has been released (Mozilla Firefox Preview Release Release Notes)

• Live Bookmarks
• Improved Find
• Managing Annoyances and Protecting Security
• Better Bookmarks
• Strong Encryption For Passwords Available
• Improved Compatibility for IE users

ThuderBird 0.8 ha been released (Mozilla Thunderbird 0.8 Release Notes)

• Global Inbox
• Comprehensive Data Migration
• RSS Integration
• Improved Privacy Controls
• Improved Quick Search