A Comprehensive Article On Russian Internet Brides - This is probably the best comprehensive article I ran across. It gets into all the fine details of the obstacles one might face, assuming one actually takes a Russian woman as his bride. It talks about costs involved and describes what happened in several actual cases. To the best of my knowledge, this site is not affiliated with any dating or bride service although it refers to several as examples.
CBS News Story On Non-Existent Russian Brides - This fairly comprehensive CBSNews story details how thousands of dollars are sent for visas and airline tickets for a bride that does not exist. "They suck out $3,000 to $5,000, then simply disappear."
Russian Web dating scams exposed - This article talks about how scammers provide fake information to prospective clients in order to extract many thousands of dollars in order to court attractive Russian women that don't exist. Men have lost as much as $50,000 to this Russian dating scam.
Death Threats Made To Whistle Blower - This forum posting speaks of death threats made after the forum exposed services that defrauded some members. This should serve as a warning for the type of people you might possibly be dealing with when using an internet bride service. Do your research!