I'm thinking I'm going to buy more RAM, but I'm a bit unsure of what to get. At the moment I have a Kingston 512mb PC3200 stick, and I've been considering getting a 2x512 Pc3200 giving me 1.5gb. I was thinking of either the crucial or corsair stuff which is £50... I've heard that mixing RAM isn't advised but if they're all the same speed is it ok? Also is it better to have 2x512 or a 1GB stick? My motherboard is Asus P4P800-VM if that's relevant. Thanks