With the kudos coming in for Race, which is turning out to be a blockbuster, Saif Ali Khan is on cloud nine. The actor has firmly established a quartet of Khans (earlier it was a trio consisting Shah Rukh, Aamir and Salman) in Bollywood. And in 2008, with his four upcoming films, he plans to prove why he should retain his membership in the quartet. Read on for the reasons why.