This morning Apple released iOS 4.3 for iPhone, iPod touch and iPad, with some nice enhancements including, AirPlay Enhancements, Faster Safari, iTunes Home Sharing, and Personal Hotspot (for iPhone 4). Read all about the new features, here.
You’ll want to download iTunes 10.2.1 before updating, for full compatibility. And, as always, I suggest syncing your device before applying the iOS update in iTunes to make sure everything is backed up.
Can’t really keep up with Apple