Google Earth 4.0.2693 Beta

Changes:
- Progress indicator for loading network links and models
- Real-time GPS tracking using NMEA (Plus, Pro and EC)
- Greatly improved performance for collada models (textured buildings)
- Tours can display balloons (Tools->Options... then "Touring" tab)
- Driving directions and touring allow a greater range for typed values
- Mac movie-maker supports many more compression formats

KML Notes:
- Icon palettes are deprecated (no more root:// for the styles)
- Improved performance on network link hierarchies

Major Fixes:
- Improved compatibility on shared memory architecture ATI graphics cards with older graphics card drivers
- Improved success rate of log in over unreliable connections
- Fixed offline mode in Pro
- Numberous GPS fixes

Enterprise Client (not available in Free):
- Always log in option for multiple databases
- Saves layer visibility for multiple databases