My prefered sites

General

Google - web search
CG Talk - computer graphic arts

Programming

NeHe - everything about OpenGL
sourceFORGE - Open Source software development website
The Code Project - source code and forums

Languages

Lingvo - online dictionary of Russian
Merriam-Webster Online - online dictionary and thesaurus of English
spanishDICT - online dictionary of Spanish

In Russian Language

Revolver.RU - news from everywhere
Dirty.RU - news from everywhere

Misc

Yahoo Movies - movie showtimes
IMDB - movie database and ratings