maybe, I wonder if there's an easy way to detect Geforce cards? Anyway your setup is nearly identical to mine so no wonder my stuff is cool on your system:
P4 3.2GHz HT, 1GB RAM, ATI Radeon 9800XT, XP Home + minimal crap running.
P4 3.2GHz HT, 1GB RAM, ATI Radeon 9800XT, XP Home + minimal crap running.