Same day processing is $300. Make it a day trip to NYC. Go down early, to hopefully avoid a major crowd, turn in the paperwork, have a few hours on the town, and then collect your passport and go home.
Be warned that the Russian want all of the paperwork in order, and they can be very picky about what they accept. In May, I got turned away one day because the fax of the letter from the Interior Ministry (business visa) was not crystal clear.