You want Counter-Strike Beta 6 punk, well, do ya? Must be your lucky day, since the full and update files just went up . Get them from 3D Files (full and upgrade) or 3D Downloads (full). There's also an beta6 update mirror here, and also on 3D Downloads. Here is what's new in beta6:

added MAC-10 weapon
added Steyr Aug weapon
added new gametype: Assassination (as_x) added new gametype: Escape (es_x)
added right and left handed weapons
added new radar tracking for teammates
re-added Night Vision Goggles
added new Terrorist Snow player model
added new CT French GIGN player model
tweaked player speeds / acceleration
added new radio commands
redone mp5 model / animations
added maps de_fang, es_jail, es_frantic, as_oilrig, as_riverside, cs_747
updated previous maps