The thing with Tebow to me, and I'll say it time and time again, you have to have a very specific offense for him. Spread option with great run blocking and decent RB's, and then WR's who are quick.
Tebow will never be a fantastic passer, but put him in the right situation and it could work. COULD work, he won't succeed in any type of normal offense what so ever.
I'm glad we have Manning, a huge upgrade over Tebow of course, but there is no denying that we had a very fun and exciting season with Tebow last year.