As of 8-17-2010, "1 USD in Rub" is:
$1 USD = 30.5097 Rubles
To get intra-day updates of "1 USD in Rub", simply scroll down to the 1 USD in Rub - Official Currency Converter at the bottom of this webpage.
1 USD in Rub - "How many Russian Rubles are there in 1 US Dollar?" - The accurate answer is here.