http://www.russianoxford.org/oxfordforum/

OUR! forum

http://www.russiansabroad.com/  
A Russian expats forum, find out what Russians living outside of Russia talk about.

http://www.imho.ws/
For those who’d like to practice their Russian language skills and widen their vocabulary- a forum with one of the highest levels of Russian language and vocabulary used on the Russian Internet with many different divisions including sports, entertainment industry, culture, photography, IT as well as Russian humour.