I'm travelling around the country in a few months' time, and I'd like to treat myself to a posh new laptop, but I'm such a klutz that I'm terrified I'd damage it... I ended up driving over the last one, and it wasn't insured!

Does anyone know of any company that provides theft and accidental damage cover for laptops? I'm looking for coverage specifically for the laptop rather than general Contents cover.
Cheers
Mr Tomato