I predict that BB will pick an unexpected position with his first pick.
He will draft a QB if one such as Dane Locker slips, as seems probable.
Consider the following:
1) The rosters are expanding making more room.
2) The rookie wage scale will make keeping a third QB on the squad less costly.
3) Brady is 33 and when he is 37, the new QB will be ready.
4) Belichick plans for both now and the future.
5) Belichick prefers QBs who have weathered adversity, and kept their POISE.
Examples:
Brady has to fight off Golden Boy Henson; Hoyer had to play on undermanned Michigan State against Ohio State and Michigan. Cassel had to sit behind two Heismann Trophy winners, Palmer and Leinart.
All were better for the adversity.
6) Locker has all the athletic credentials, size, height, arm strength and RB speed; but a poor team led to a poor season at Washington State.
7) Hoyer looks like a find; whether he can become a franchise QB is debatable.
8) Belichick never depends on a single player at a position, he frequently obtains a few candidates.