I'm getting back into pc gaming and picked up Half Life 2. However, my wimpy graphics card ain't cuttin it (low end Nvidia Geforce4). I have a Pentium 4 running at 2 ghz, 512 megs RAM, but am thinking of upgrading to a gig of ddr2 sdram, plus switching out my Nvidia card with an ATI Radeon X800, which I hope my motherboard accepts. I'm thinking I should be able to run Half Life 2 with full effects then.