Freecom make some of the best external hard drive products in the world. Their reliability is legendary, so when they start dropping prices it's well worth shouting about.
Ultra compact, easy-to-use and secure, this USB2.0 powered portable hard drive makes transporting and sharing data easier than ever. Simply plug it into a spare USB port on any computer.
120GB: now only £43.55
160GB: now only £54.44
250GB: now only £69.29
Seems quite cheap to me. £4.69 delivery, unless you order something from their "99p Delivery Section" (http://svp.co.uk/category/_discount_delivery).
Also 3% Quidco.