Just heard that Vod have released a device optimistation script for Betavine developers....
"Vodafone MobileScript is an ECMA script extension that allows developers to access device functionality in a very simple manner. The goal of Mobilescript is the creation of a common framework in order to easily and quickly develop new services in mobile platforms, using a ECMA Script Open Source engine including new features which enable the developer to control new actions and events in the terminal".
Download from here
More info here