Its the iPhone 349.99G!

O2 has confirmed details for the launch of the Pay & Go version of the iPhone 3G. The handset goes on sale to non-contract customers on 16 September priced at  349.99 for the 8GB model and 399.99 for the 16GB model (just like the good old days Ed). iPhone 3G Pay & Go customers will also receive inclusive unlimited data and wi-fi for 12 months following activation, which O2 notes is worth 120.
The unlimited data package includes browsing over O2s mobile network and unlimited access to over 9,000 wi-fi hotspots through both The Cloud and BT Openzone for 12 months following activation**. Following this, an unlimited data and wi-fi bolt on will be available to Pay & Go customers for 10 per month. Launching iPhone 3G on Pay & Go opens up even more of the market for this innovative device,, says O2 UK CEO, Ronan Dunne. With inclusive data and wi-fi access for the first 12 months, Pay & Go makes it easy for customers to enjoy the best mobile browsing experience ever.
iPhone 3G will be available to Pay & Go customers in the UK exclusively through Apple, O2 and Carphone Warehouse retail and online stores. iPhone 3G is also available on O2 18 month consumer contracts starting from 30 per month, with the 8GB model priced at 99 on the 30 and 35 tariffs and free on the 45 and 75 per month tariffs. Business customers can also benefit from iPhone 3G which will be available on all O2 business tariffs as a monthly bolt on.