What is New in 2.2? Well I Was looking Forward to the 2.2 for a while. well i got it and here is my short review on what i saw changed and if it was nessasary.
» Whats New in 2.2!?

Apple has released the new firmware, 2.2 for iPhone and iPod Touch users. The features of 2.2 are:

• Enhancements to Maps
  – Google Street View
  – public transit and walking diretions
  – display address of dropped pins
  – share location via email
• Enhancements to Mail
  – resolved isolated issues with scheduled fetching of email
  – improved formatting of wide HTML email
• Improved stability and performance of Safari
• Podcasts are now available for download in iTunes application (over Wi-Fi and cellular)
• Decrease in call set-up failures and call drops
• Improved sound quality of visual voicemail messages
• Pressing the Home button from any Home screen takes you to the first Home screen
• Preferences to turn on/off auto-correction in Keyboard settings

» iPhone Firmware 2.2 released!

German iPhone news blog iphone-ticker.de, found out that Apple has been doing some work on side of their iTunes Store servers and expects the release of the next iPhone OS version during the next five days.
» Apple getting ready for iPhone OS 2.2 release?

Recently, Apple seeded the second beta release of the upcoming 2.2 iPhone firmware; however, this time, the release included the Google Street View that had been rumored to be included before this. Screenshot inside. » iPhone firmware 2.2 Beta 2 includes Google Street View

Recently, Apple seeded a beta firmware 2.2 to developers. There hasn’t been any features added yet, but the Safari interface has changed just a little. Read the full post by clicking the read more link. » MobileSafari’s interface receives a change in beta firmware 2.2