Kingston 512MB DDR333 PC2700 NON-ECC CL2.5 DIMM is £37.73 or less delivered from Ebuyer.com
Looks like a good price. Go through Quidco for 1.5% cashback.
Kingston, the world's largest independent memory manufacturer, has over 2,000 memory products. In today's performance driven environment, memory upgrades provide an easy, economical alternative to increase system performance. Every memory product Kingston offers is designed to help you get maximum performance at the best price to you.