iOS 4.3 Software Update Now Available

The iOS 4.3 software update is now available for download via iTunes, for the iPhone 3GS and higher.  Some of the new feature:

• Personal Hotspot (iPhone 4 feature only): Share your connection with up to five devices over Wi-Fi (up to 3 devices), Bluetooth, and USB.
• iTunes Home Sharing: Play your iTunes library from your Mac or PC, and play it on your iPhone, iPad, or iPod touch over a shared Wi-Fi network.
• Improved Safari Performance: Runs JavaScript up to twice as fast as iOS 4.2.
• AirPlay Enhancements: Stream content (including photos) from your iPhone (iPad, or iPod touch) to your Apple TV device.

For more information check out this Apple KB article.