Top 10 features, as listed over at TechRadar, are:
1. Quick Search box; 2. Faster camera and improved gallery; 3. Easier to get to the camcorder; 4. Text to speech; 5. Checking your power; 6. Gestures; 7. More screen resolutions; 8. Prettier Market; 9. CDMA; 10. VPN.
If you want to read the breakdown, head on over to TechRadar.