Left 4 Dead Update Released

Valve has released an update for their zombie FPS Left 4 Dead, now available on Steam.
The patch brings some fixes and improvements to the recently launched Lobby Browser as well as some other updates.
The download can be accessed by restarting the Steam client.
The full notes:
Left 4 Dead
Lobbies and games you've recently joined and left will be ignored for two minutes. This will prevent a player from ending up in the same lobby or game when quickly searching for another
Restored Find a Game Lobby/Find a Game in Progress to the Create Lobby screen available from the Lobby Browser
Updated localization text
Fixed an issue where VPK.EXE would not extract all files

How much?

i guess its shud be free since most of that is just a patch!