7Volts
   A technical site dedicated to practical computer modifications and enhancements.
   http://www.7volts.com/

Guru3D
   Get the latest news and performance tweaks for PC Video Cards, as well as the other PC components that support your 3D performance.
   http://www.guru3d.com

Hybrid-Mods
   Hybrid-Mods provides reviews and tutorials for computer enthusiasts.
   http://www.hybrid-mods.net/

Overclockers Mexico
   Mexican community of computer enthusiast, overclocking and tweaking.
   http://www.ocmexico.com

Overclockers.com
   Overclocking enthusiast site that focuses on overclocking news, reviews, and practical advice on the cutting edge of PC performance.
   http://www.overclockers.com

Overclocking Madness
   Features news and downloads related to PC computer tweaking and overclocking.
   http://www.overclocking-madness.com/

PC Speed Up
   How to guides for PC optimization and daily maintenance.
   http://www.pc-speed-up.com

PC-Mod
   Modifications reference that includes case windows and watercooling your CPU.
   http://pc-mod.com

Speedy 3D - How To Section
   How to guides for hardware installation, and computer & case modification.
   http://www.speedy3d.com/articles#how-to

The Lunch Box
   Source of information to help increase the performance of a PC and extend its useful life.
   http://www.geocities.com/_lunchbox/

The PC Improvement News
   Tips and tricks, and tech articles updated weekly.
   http://www.pcin.net/help/articles/index.shtml

Tweak Hardware
   Includes detailed, easy to follow how-to guides about tweaking and modification. Guides cover a variety of hardware topics.
   http://www.tweakhardware.com/

TweakTown
   Reviews, articles and comprehensive guides to tweak your computer system.
   http://www.tweaktown.com/

Tweakfactor
   Articles about performance tuning of hardware and games.
   http://www.tweakfactor.com

UncaMilty.com
   Articles and personal reviews on motherboards, CPUs and upgrading.
   http://www.uncamilty.com

[H]ard|OCP
   Offers up the latest news and computer performance tips to help you achieve maximum performace from your PC.
   http://www.hardocp.com