Well, this discussion is done basically every year, but IMO this year it's a little more interesting / more debatable than the past few years.

1. Brady
2. Rodgers
3. Peyton Manning
4. Matt Ryan
5. Drew Brees
6. Eli Manning
7. Tony Romo
8. Big Ben
9. RG3
10. Joe Flaaco

1. Aaron Rodgers
2. Tom Brady
3. Peyton Manning
4. Drew Brees
5. Eli Manning
6. Matt Ryan
7. Ben Roethlisberger
8. Robert Griffin III
9. Joe Flacco
10. Russell Wilson

1. Drew Brees
2. Tom Brady
3. Aaron Rodgers
4. Peyton Manning
5. Cam Newton (gonna have a huge year)
6. Eli Manning
7. Joe Flacco
8. Big Ben
9. Colin Kaepernick
10. Matt Ryan
Borderline: Tony Romo, RG3, Matthew Stafford, and maybe Russell Wilson

Also, IF Mike Vick gets the opportunity this upcoming season, he will play his ass off and be much improved from last season, definitely top 15.

Ranking by their abilities going into next year, not by their projected statistical outcomes...

1. Aaron Rodgers, Green Bay
2. Tom Brady, New England
3. Robert Griffin III, Washington
4. Drew Brees, New Orleans
5. Peyton Manning, Denver
6. Tony Romo, Dallas
7. Eli Manning, New York (Giants)
8. Ben Reothlisberger, Pittsburgh
9. Matthew Stafford (Detroit)
10. Russell Wilson (Seattle)