How to Supercharge Your Router with DD-WRT
An overview of the open-source 3rd party DD-WRT router firmware. (3rd-party … read void any warranty if you use this.) Note also the discussion about if DD-WRT is still activly developed, and some alternative router firmware projects.
WD Black/Green/Blue/Red drives
This article from AnandTech presents the Western Digital Black/Green/Blue/Red drive catagories, then goes into more depth about the (new) Red NAS drive type.