Retro Gaming
Retrospec Retrospec -- the home of high quality retro remakes	Retro Remakes News and discussion about everything from the world of retro remakes

Programming
NeHe's OpenGL Tutorials Fantastic OpenGL demos and tutorials for the beginner to the expert	GameDev.net Extensive resource for game developers, no matter the language or API
Drunken Hyena Drunken Hyena is to DirectX as NeHe is to OpenGL	MVPs.org Documentation and information on a variety of Microsoft-related topics

Other amusing or interesting sites
The Register Up-to-date, humorous views of the news from the IT industry	TV Cream Fantastic and hilarious look at British TV and culture of the last few decades