Delphi3D has a nice hyperlinked list of OpenGL extensions that reports which card/driver combinations support a given OpenGL extension and has a link to the SGI specifications: http://www.delphi3d.net/hardware/allexts.php
===eBay guides to Graphics Cards===
* [http://reviews.ebay.com/ATI-Radeon-Graphics-Card-Comparison_W0QQugidZ10000000000732221 ATI-Radeon-Graphics-Card-Comparison] technical comparison of ATI Graphics cards in a table
* [http://reviews.ebay.com/Nvidia-and-ATi-Video-Card-Buyer-apos-s-Guide_W0QQugidZ10000000000915807 Nvidia and ATi Video Card Buyer's Guide]
* [http://reviews.ebay.com/ATI-Radeon-amp-NVIDIA-Video-Card-Buyers-Guide_W0QQugidZ10000000000008396 ATI Radeon & NVIDIA Video Card Buyers Guide]
* [http://reviews.ebay.com/Video-Graphics-Cards-Windows_W0QQugidZ10000000000916160 Video Graphics Cards Windows] Large amount of text on Graphics cards
* [http://reviews.ebay.com/Buying-a-Video-Card_W0QQugidZ10000000001727716 Buying a Video Card]
Note: some of the information here has been harvested from information posted by Wurm users in the Wurm forums.
[[Category:Technical Details]]