According to the sources, Apple is going to upgrade the iPhone OS to 2.2. Expect a few enhancements for this OS. The release date is 21st November (if the source is correct).
More information after the break.
What can you expect based on the Beta Version
Street View will be incorporated to Google Map (as shown above).
Share Location with your friends.
Line in for Developer to touch their audio part of the iPhone
Over the air Podcast updates