Dixons has this Advent Intel Celeron M 370 laptop with 1.5GHz Processor for £359.99 inc Free delivery
Use discount code perkz20dix to get £20 off thereby lowering the price to £339.99 delivered. Go through Quidco for 5% (£17) cashback and after all saving, the price is £322.99 delivered.
Features: Intel Celeron M 370 Processor 1.5GHz, 400 MHz FSB, 1 MB Cache, 256 MB RAM, 40 GB Hard Drive, DVD ReWriter Drive, 14.1" TFT Display, Microsoft Windows XP Home Edition, 64 MB Shared Graphics, USB Wireless Enabled
Note sure what USB Wirelss means... probably Wi-Fi via dongle :)