I have an old PC and I can't play new video games on it. My CPU seems to be ok (Intel(R) Pentium(R) 4 CPU 3.00GHz (2 CPUs)), but I only got 512 Mb of RAM and NVidia GF 5200. Will 1Gb of ram and NVidia GF 7600 512Mb help. My goal is to play Team Fortress 2 btw.