Fileplanet offers a complete STEAM CS1.6/HL1.1.2.0 installation as a seperate download.
Description
This file includes the full cache of data required to run Half-Life v1.1.2.0 and Counter-Strike v1.6 in the Steam client. You do not need this file if you have successfully downloaded this data from the official version of Steam.
http://www.fileplanet.com/files/130000/130271.shtml (http://www.fileplanet.com/files/130000/130271.shtml)
Size: 379.4 MB
dunno if this helps anyone at all :D I couldnt find any mirrors but Im sure some will turn up