"Counter-Strike: Condition Zero changes again, this time switching development houses. Moving from Gearbox to Ritual, the game is being redesigned from the ground up. We get the first look at the changes, the new models, and the UI for CS v1.6! "

http://www.gamespy.com/previews/december02/csczpc/

The article at Gamepsy!

It already missed it's inital date, Q2 2002 ... which was a very long time ago.