1 USC (4--0)
In Saturday's showdown with Cal, which beat the Trojans 34--31 last year, the revenge factor will have USC foaming at the mouth.
Next game: Saturday vs. Cal
2 Oklahoma (4--0)
QB Jason White isn't putting up the numbers that got him the Heisman last year. What he is doing is avoiding mistakes and running the offense like, well, a sixth-year senior.
Next game: Saturday vs. Texas (in Dallas)
3 Auburn (5--0)
Tennessee freshman QB Erik Ainge entered last Saturday's game as the nation's fourth-rated passer. By the time the Tigers' defense was through, Ainge had four picks and the nation's 23rd-highest passer rating.
Next game: Saturday vs. Louisiana Tech
4 Georgia (4--0)
Half of David Greene's passes against LSU on Saturday went for touchdowns. But the real key to the Dawgs' improved offense is the emergence of freshman running backs Danny Ware and Thomas Brown.
Next game: Saturday vs. Tennessee
5 Texas (4--0)
Senior RB Cedric Benson (right) had yet another big day on Saturday, with 188 yards on the ground against Baylor--the fourth time in as many games he's eclipsed 180 yards. But with the Red River Shootout looming, more noteworthy was the steady play of sophomore quarterback Vince Young, who was 15 of 20 for 189 yards and two TDs.
Next game: Saturday vs. Oklahoma (in Dallas)
Stewart Mandel's complete College Football Power Rankings appear every Monday--and his mailbag appears every Tuesday--on SI.com/football/ncaa.