|-Don't run the PC on a circuit shared with an air conditioner, large furnace blower, microwave, large appliance, etc.|
-Have it connected to a good surge protector or a good UPS (and avoid the cheap standby units--these output a modified sine wave (aka square wave) instead of a pure sine wave when running on battery power. Not healthy for any power supply).
-Unplug the power and network connections during a thunderstorm, even if it is connected to a good surge protector/UPS.
Socket 939 | Dual-core Opteron 185 @ 3.2GHz | 4GB | 1.0TB | Win7 x64
GeForce GTX 460 1GB | X-Fi Ti Pro | A8N32-SLI Deluxe | Antec P182