We're riding along with PAULA ABDUL for the post-"American Idol" dish. "Tonight was a very important night and the voting process is going to be very interesting," the "Idol" judge tells us. So,  which of the Final 3 impressed her on Tuesday's performance show? And did SYESHA MERCADO do enough to spoil a potential DAVID COOK-DAVID ARCHULETA finale? Click to find out!