Quake III is a bit different from Expendable, as it requires much faster graphics cards. That's why an average CPU like the Celeron and a fast graphics card (e.g. GeForce or GeForce 2) is a much better choice than a fast CPU (Pentium III 700+) with an average graphics card (TNT2, Matrox G400 MAX, S3 Savage 2000 etc.).