I have just had mine stolen from mtgox as well.
over £500 GBP 6+ BTC all of my savings
I had only been using it a week.

Transaction reference: add9e173-7e9a-4d33-b846-5f3e8470cd3e
Date: 2013-08-24 17:37:09 GMT
Thiefs IP: 78.157.215.235
Bitcoin withdraw to: 14MsPS1E7N75XqwP5WrGYEfkSDSC7bgSU5

funny thing is mtgox say in there email...

Please contact us as soon as possible by replying to this email if you did
not request this withdrawal.

Why? they can't do anything.
it should read.

Oh well, better luck next time if you did
not request this withdrawal.
I see the same ip address has logged into my blockchain account as well.

I am contacting the auction fraud police uk. but doubt they can do anything.