You can now download iOS 4.3 from Apple. They released it 2 days earlier than what they said but we’re not complaining! You probably know what is in iOS 4.3 but if not read here (about 3/4 of the way down). It is a good update but no real special improvements which we are now expecting from iOS 5 in April.

Personal Hotspots on iPhone 4, new in iOS 4.3