Each person non resident of the Russian Federation prior to applying for visa in the consulate must get an invitation according to the purpose of his or her visit.
Your Visa To Russia provides invitations for tourist and business trips.

Rt’s investigation: russian law leaves expats without basic belongings

According to Russia’s new customs law, moving to the country can cost foreign specialists thousands of euros. RT has run a month-long investigation into new import duties.

All Russia news »

Source: http://rt.com/prime-time/2010-08-19/customs-law-immigrants-taxes.html