The Nokia half-nine (aka the Lumia 930) is, according to the Vodafone blog, going to be available on the network very soon indeed.
Their coming soon post states..
The Lumia 930 will offer Nokia’s trademark design prowess and PureView camera know-how. That’s alongside the new Windows Phone 8.1 operating system, which adds a load of extra bells and whistles to Microsoft’s mobile platform.
Packing a 20 megapixel PureView camera and a 5″ 1920x1080p screen, it’s powered by a Qualcomm Snapdragon 800 (2.2Ghz quad-core) CPU, 32 GB storage, 2GB RAM plus a front facing 1.2 megapixel camera. It’s powered by Windows Phone 8.1 and has an aluminium frame plus a 2420 mAh battery.
No details on pricing or availability.