iPhone owners should fire up iTunes because iPhone software 2.0.1 is ready for iPhone installing goodness.
The 250MB download fixes bugs on the iPhone and reportedly makes the iPhone UI snappier.
Links:[1] http://www.maclife.com/user/rbaldwin [2] http://www.maclife.com/article/iphone/iphone_201_released [3] http://www.maclife.com/articles/iphone