Thanks, CPU-Z tells me I'm running a Foxconn 965X7AA FAB1.2 and the memory is DDR2 333MHz, 2 slots used, 2 free. Strangely enough I've just found the email with the spec from when I bought it and it says 2GB DDR2 RAM, 667 MHz , does that mean CPU-Z is picking it up wrong or is it under performing? Does higher MHz = Higher performance or what?