A new book available for download (under a Creative Commons licence). Here is the bibilographic information. I’ve just downloaded a couple of chapters relevant my current and forthcoming research, but would be interested in other responses:

Henrike Schmidt, Katy Teubener, Natalja Konradova (eds)
Control + Shift. Public and Private Usages of the Russian Internet
Norderstedt: Books on Demand, 2006.
ISBN 3-8334-4988-8