Engadget honcho Ryan Block got his techie mitts on a pre-release version of the iPhone 2.0 firmware, and here are the highlights (and lowlights!):

Exchange over Wi-Fi is not instantaneous (!). No contact search he could find. New button in Calendar don’t do nothing for him yet. App Store error’s out. Cisco branded VPN screen. Parental controls are good-to-go. Wi-Fi order can be specified in prefs. Calc has new widescreen scientific mode and icon. And his favorite new feature — Multi-Select in Mail!

Head on over for a full rundown and gallery o’ pics!

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iPhone 2.0: Hands-On!