Video Card reference (your question might be answered here)

[DougLite]

Under Construction

Cooling
After market cooling poll
OC&C forum GPU air cooling guide
Water Cooling introduction

Power and Power Supplies
Power supply current draw calculator and recommendations
[H]ard recommended PSU brands and models

Drivers
ATI driver page
Nvidia drivers page
OmegaDrivers

Overclocking
ATI Tool
How to enable CoolBits in ForceWare for NV cards

Utilities
PowerStrip Useful for creating custom resolutions and other tweaks, awesome tool for HTPC and widescreen work
ATI Tool Artifact scanner, ATI overclocking
RiveTuner
DriverCleaner - automated tool for removing video card and chipset drivers, great if you change drivers frequently.

Benchmarking/Showoff your [H]ard|Ware
3DMark2006 scores ; Scores table by pxc
Show off your current Video Card
Show off your old Video Card

Multi GPU
SLI Guide

Other useful stuff
Widescreen gaming master list Resource for getting games going in native resolution on widescreen (16:9 HDTV/16:10 LCD) displays
AGP Outlook an exploration of why there are so few high-end AGP cards available now, and what your options are if you're looking to upgrade an AGP based rig.

If you have a link that should be here, post it please!

 

[-PK-]

Here's the current sticky with a decent list of overclocking utilities and their uses, user was banned at some point so the links are not up to date. Some newer utilities aren't included in this list and some things could probably be updated or removed. http://www.hardforum.com/showthread.php?t=962154