In the today only section this controller is £8.21, if you click on the "i" button you will see the main site pricing is £35.24, which is about the same price everywhere else.
You can order to collect in store or delivery is £4.99 :)
Revo64 is a new family of ATA and Serial-ATA storage accelerator PCI adapter cards from NetCell Corporation. Revo64 cards feature a revolutionary new 64-bit RAID engine, offering for the first time a mainstream RAID solution with the simultaneous benefits of both RAID 0-class performance and RAID 5-class data protection.
Revo64 is specifically designed to overcome the limitations of traditional RAID technology and provide a solution for today's demanding storage environments, offering the fastest a Serial ATA storage performance for bandwidth-intensive desktop, workstation, and media server applications. Revo64 delivers high-end performance with low-cost drives, while providing enterprise-class security for data and content.