Silent PC in five simple steps

Bigruin offers us five simple steps to a quieter PC, they all very easy to accept, not allways so easy to achieve:

1. Colling fans
2. Cases
3. Fan Controllers
4. Power Supplies
5. Noise / Vibration Isolators

Since a lot of people use to keep on their PC's for downloading or to work as a firewall / switch / router, it may be interesting.