Three Mobile is currently offering the stupidly popular Samsung Galaxy S III for £349.99 on PAYG. Minimum £10 top-up, but you can shove in £15 if you like.
The £10 top-up gets you 3,000 texts, 100 minutes and 500MB data, while the £15 gets you 3,000 texts, 300 minutes and all-you-can-eat data.
Check out our Samsung Galaxy S III specs page for more info on le phone.
(Thank to riccirus at HUKD)