3DFiles now the GameSpot. - HOT!
- Drivers, guides, and reviews.
- Tweaking, over clocking.

Forum OC
- Forums, reviews, guides, and downloads.
- "Taking hardware to the extreme".

[H]ard|OCP
- Search Overclocking or cooling.

Lost Circuits
- Over clock everything page.
- Get around the over clocking blocks.

OCTools
- Over clocking tools and reviews.

Overclocker Cafe
- Over clocking, downloads and patches.

Overclock Inteligence Agency
- Information on... overclocking.

Overclockers.com
- Great information on over clocking.
- How to keep it cool.

Overclockers Online - HOT!
- More then just an O/C site.
- Overclocking, overvolting, over the top.

Overclockers NZ
- Great information on over clocking.

Voided Warranty.com
- Articles, reviews, archives, and forums.
- Case Mod Gallery.

Coolhardwarez
- Everything cool makes this site HOT!.

Heat Sink Guide
- PC Cooling

Heatsink Factory
- You have never seen a site this cool.

OCTools
- Over clocking tools and reviews.

pcToys
- Hardware, mods, and cooling.

Case Mods

Caseguy
- Case Modifications

EnVador
- Pictures of un-real cases.

HiTechMods
- Pictures, templates, reviews and mods.

Modthebox
- Great Case mod gallery.

Modfathers, The
- Links, forums, case mods, and ideas.
- Reviews, cooling, and case gallery.

Overclockers Club
- Links, forums, case mods, and downloads.
- Reviews, cooling, and case gallery.

TwistedMods
- Reviews, 1900+ Hot gallery, how-to's.

Performance

Anand Tech
- Hardware analysis and news.
- True System Optimization.

Ars Technica
- The PC enthusiasts resource.

[H]ard|OCP 
- Hardware, overclocking, cooling

Hardware Hell - HOT!
- Guides for computer performance.
- Upgrading, building, and understanding.

pcToys
- Hardware, mods, and cooling.

SpeedGuide
 - PC performance resources.

System Optimization
- System Optimization.
- Diagnostics, Utilities, benchmarks.

Tweak3D
- "Your freakin' Tweakin' Source.

TweakTown
- System Optimization.

BIOS

Adrian's ROJAKPOT
- Scroll past the Preface and WOW!

BIOS Central
- BIOS post codes, and error messages.

Hardware Hell Bios Archive
- Weekly Tweaks Archive.

Lost Circuits
- BIOS Guide.

Miro TweakBIOS
- If it has a BIOS... tweak IT.

The BIOS Web
- Dedicated to the BIOS.

Wim's Bios
- Bios identification agent, and utilities.