just spotted a great DDR3 RAM sale on base.com. clicked through the link and it takes u to dvd.co.uk!
got corsair 3x2GB kits for as little as £48.89
got corsair 2x2GB kits for as little as £32.99
good kits from lots of brands inc.
OCZ, Corsair, Kingston, Crucial
also got some good price on the DDR2 RAM, but i dont know much about DDR2, so its best to take a look for urself :)!
link for DDR2 RAM in post 1