Buying a Russian SIM card to connect to Internet or to make calls in or from Russia is very economical. You can do
Visa To Russia
Step by step guide on how to apply for a visa on your own in UK and get all the online documentation in less than 1 hour from your computer
Transport in Russia
How to book trains online, how to go from the airport to the center of Moscow or St. Petersburg, how to use the Metro, how to go from Moscow to St. Petersburg...
Practical information to organize your trip: currency exchange (rubles), telephone and Internet, weather, safety and health, Russian products, Russian culture, etc.