RBC's website regularly publishes the most interesting market research. Not so long ago, the Begun company released the report “The contextual advertising market in Russia in 2006”. For 3 weeks, it was downloaded over 1000 times, and about the same it was downloaded from the Begun company website. If you haven’t read this review yet, I recommend everything important about the markets of the context for 2006.
Ps. There are even more popular reports from the Analytical Center. For example: