While there are plenty of 16GB versions of the Galaxy S3 around, you will be hard-pressed to find a retailer that is stocking a 32GB model of Samsung's flagship smartphone. I managed to track down one such retailer on eBay called E_cell Global. The item is based in Manchester and the vendor has clocked more than 850,000 positive reviews so is unlikely to disappear overnight. The smartphone costs £435 and is brand new, boxed, unlocked, unbranded and comes...