Openings database

Having faced and lost to many people who use openings databases iv decided i might look into using them against players i need to have a good opening against. are there any decent free ones on the internet? i dont mind signing up as long as its free, and good
cheers, Maz

Here are five:
Shredderchess: http://www.shredderchess.com/online-chess/online-databases/opening-database.html
Gensunasumus (have to pay): http://www.gensunasumus.com
Chessgames.com: http://www.chessgames.com/perl/explorer
Chesslab: http://www.chesslab.com/PositionSearch.html
Chessbase: http://www.chesslive.de/

Yes, I forgot - you're right

cheers