I think it's a shame that the Windows Experience Index only takes RAM speed into account, not the RAM amount. You could be running Windows 7 on 2GB of very fast memory, and the Experience Index will tell you that is very good when, in fact, it's not good enough.
Mokalus of Borg
PS - My computers all say they'd do better with a beefier graphics card.
PPS - I don't know if I've ever run a high-end graphics card in my machines.