dabs.com has this 750GB SATA Drive for £149.98, after £10.01 Instant Discount

Final Price: £159.99 - £10.01 = £149.98 (Incl.Delivery + incl. VAT)

The Seagate Momentus XT drive offers hybrid storage with Adaptive Memory technology, enabling the drive to deliver higher capacity and SSD-like performance. The Momentus XT drive is designed for ..»

Pixmania has this 750GB Internal Hard Drive w/ 8GB Memory for £149.99, after £59.01 Instant Discount

Use Voucher: £5 off £130

PIXPROMO5

(expires: 06/30/2012)
Final Price: £209.00 - £59.01 - £5 = £144.99 (excl. Delivery + incl. VAT)

We recommend this deal, because Pixmania has a voucher discount.
You can store so much data on the Momentus XT ST750LX003 from Seagate: it's a hybrid hard drive that combines a standard 750 GB storage drive and an 8 GB SSD memory. The energy-saving Momentus XT..»

CCL Computers Online has this 2TB Internal Hard Drive for £95.99, after £67.20 Instant Discount

Final Price: £163.19 - £67.20 = £95.99 (Incl.Delivery + incl. VAT)

As hard drive capacities increase, the power required to run those drives increases as well. WD Caviar Green drives make it possible for energy-conscious customers to build systems with higher ca..»