LG External 2.5" USB-2 Hard Drive with anti shock and thermal insulation (Aluminum surface for cooling), 500GB Memory, Backup Program, Slim & Thin Design.
Was the same price at ebuyer recently, but the current 20% account credit at CDiscount (possibly 40% - who knows???) makes this at least as good.
Standard delivery £3.99. Maybe there is a code for free del? Yes there is. See comments.