Or you could always buy a 2.5" hard drive enclosure thus turning the drive into a USB hard drive that you can then take around with you
Its what I do whenever a laptop dies on me or I replace it as they make good backup devices and are small enough that they are good for taking files around with you that are too big to really fit on a USB Pen Drive
You can pick one up from Dabs for under £6 (
http://www.dabs.com/ProductView.aspx?Quicklinx=3V65 )