I have a Dell Vostro 1000 with an AMD Sempron 3600 1.99ghz processor. It came with two 512mb Ram cards and I recently bought a single 2gb card bringing the ram up to 2.37gb, I have noticed it is a little faster, but still not enough for what I need. I used ramxp pro and it shows that there is still around 1.6gb free of ram when running several programs. So now my question is would it make the computer any faster to get another 2gb ram card to bring it up to 4gb? Or is it the processor that is not fast enough?