Western Digital 2TB Elements Hard Disk Drive - WDBAAU0020HBK
3.5" so desktop size. Same as one advertised at play, but a penny cheaper. It's £74.98 delivered to UK mainland, other charges incur: link to delivery charges for non-UK mainland areas - http://www.shop.bt.com/deliverydetails.aspx
This is my first post, I hope it isn't posted elsewhere :)
Not sure if this will expire or not. It may drop even more after Christmas.