We recommend these web sites:

Russia travel

Gopetersburg : Rent Apartment in St. Petersburg, Rent Flat in St. Petersburg, Book Hotel Online - Offers vide variety of apartments for rent in the city. Also hotels online booking, mini hotels booking, transfers, car rental, guiding and visa support.
Travel Moscow Russia tour - Cheap and interesting Moscow travel with Nordway travel agency.

Vacation apartments bed and breakfasts real estate in Russia
City Realty Vacation Rentals in Russia

Tours and Travel to Russia, Russian Visas, Moscow Hotels, St. Petersburg Hotels and Russian Tours
Express to Russia offers discount tours to Russia and Russian Visa Support and Hotels St. Petersburg, Hotels in Moscow

Discount Hotels throughout Russia, Moscow Hotels, St. Petersburg Hotels
Best Hotels Russia Discount - Hotels in Moscow Russia and St. Petersburg

Worldwide travel

Bed and Breakfast The Netherlands
A directory of Dutch bed and breakfasts - Bed and Breakfast Overijssel.