iPhone 3.0 Upgrade
I found only one issue with the upgrade - my Favourites in the Phone function were replaced by the numbers and not the names that originally displayed - otherwise the upgrade has been seamless.
One great feature I discovered was that the iPhone recognises and address and allows you to launch Maps to pinpoint the location.
In South Africa, Vodacom (Vodafone) also does not support MMS and Tethering and still does not support Visual Voicemail.