I saw this deal on eBuyer earlier this evening, buy Windows Vista Utimate and get a Samsung Spinpoint F1 1TB Hard Disk Drive free. Total comes to £139.99inc delivery within 5 days.
Microsoft Windows Vista Ultimate - 32-bit Edition with Free Samsung 1 TB Harddrive - Ebuyer
Thats' saving over £80 quid!
HDD on it's own - Samsung SpinPoint F1 HD103UJ 1TB Hard Drive SATAII *32MB Cache* - OEM - Ebuyer