There are GCF files for many steam games, including all common files and russian localization. All files are up to date (last update: 10 June 2008) and fully defragmented. 

List of games and tools:
[*]Codename Gordon
[*]Condition Zero
[*]Condition Zero: Deleted Scenes
[*]Counter-Strike
[*]Counter-Strike Source
[*]Dark Messiah Might and Magic Dedicated Server
[*]Dark Messiah Might and Magic Multi Player
[*]Dark Messiah Might and Magic Single Player
[*]Day of Defeat
[*]Day of Defeat: Source
[*]Deathmatch Classic
[*]Garry's Mod
[*]Half-Life
[*]Half-Life 2
[*]Half-Life 2: Deathmatch
[*]Half-Life 2: Demo
[*]Half-Life 2: Episode One
[*]Half-Life 2: Episode Two
[*]Half-Life 2: Lost Coast
[*]Half-Life Deathmatch: Source
[*]Half-Life Dedicated Server
[*]Half-Life Linux Dedicated Server
[*]Half-Life: Blue Shift
[*]Half-Life: Source
[*]Opposing Force
[*]Portal
[*]Portal: The First Slice
[*]Rag Doll Kung Fu
[*]Red Orchestra Dedicated Server
[*]Red Orchestra Linux Dedicated Server
[*]Ricochet
[*]SiN 1
[*]SiN 1 Multi Player
[*]SiN Episodes: Emergence
[*]Source Dedicated Server
[*]Source Linux Dedicated Server
[*]Source Dedicated Server - Orange Box
[*]Source Linux Dedicated Server - Orange Box
[*]Source SDK
[*]Source SDK Base
[*]Source SDK Base - Orange Box
[*]Team Fortress 2
[*]Team Fortress Classic
[*]The Ship
[*]The Ship Dedicated Server
[*]The Ship Linux Dedicated Server
[*]The Ship Single Player
[*]The Ship Tutorial

GCF list and versions: http://i001.radikal.ru/0806/b1/ccff0c0fecbe.png

Differences from previous version of release:
1. Updated:
[*]episode two content.gcf
[*]episode two maps.gcf
[*]episode two materials.gcf
[*]portal content.gcf
[*]source 2007 binaries.gcf
[*]source 2007 dedicated server.gcf
[*]source 2007 linux dedicated server.gcf
[*]source dedicated server.gcf
[*]source dedicated server linux.gcf
[*]team fortress 2 client content.gcf
[*]team fortress 2 content.gcf
[*]winui.gcf

2. Added:
[*]base goldsrc lv.gcf
[*]day of defeat source beta content.gcf
[*]linux.gcf
[*]red orchestra linux dedicated server.gcf
[*]red orchestra windows dedicated server.gcf
[*]source sdk base.gcf
[*]source sdk base 2007.gcf
[*]team fortress 2 low violence.gcf
[*]winui2.gcf

Downloaded GCF files may be used for legit or non-legit steam account or for creation of no-steam games. You can read about no-steam in english here:
[*]http://cs.rin.ru/forum/viewforum.php?f=10
and in russian here:
[*]http://csmania.ru/forum/viewforum.php?f=15
If you don't know what files do you need, you can check it there: http://dark_daskin.my-place.us/steamconfig/