An update to the Left 4 Dead Blog indicates that beta testing of Counter-Strike: Global Offensive is about to begin, asking a relevant question about the tactical shooter update:
With the imminent release of Counter-Strike: Global Offensive Beta, we were curious; will you try CS:GO?
CS isn't any more "skill" based than any other game. It is all time based. The more time you play, the better you are at knowing when and where. The non stop random headshots is why I quit playing. Headshots shouldn't be the highest % of shots.