Here's one for £25 here.
http://www.ebuyer.com/customer/produ...uct_uid=126619
Also if you bump the order over £30 by putting on a 1gb usb key you can take advantage of the new Google checkout and get a tenner off as well.
http://www.ebuyer.com/googlecheckout
Hmm, might get that new hard drive from them...