Russia is one of the leaders in "Cyber warfare", during a diplomatic conflict over energy pricing Estonia, one of the most wired nations in Eastern Europe, lost all communications and banking.
During the Russian invasion of Georgia that country also lost large portions of it's computerized infrastructure.
Do you want your computer dependent on the good will of a nation that is a direct competitor of America ?
Russia is so heavily dependent on industrial espionage that Governments and corporations warn their employees not to have sensitive data on lap tops taken into Russia, (China and France as well ).
Do you want to trust your information to foreign spies ?