Based on what I've seen I would have ran the 3-3-5 too.just keep the NT and linebackers rotated to keep them fresh.
Barnett
Vickers/Mosley/Kongbo
Vereen
McDowell/K Bynum
DKJr
Ell.Berry/Jumper
Gaulden
Sutton
Mosley
Tkjr
Abernathy
If you cant stop the run with 4 down and 3 LBs ...why do you think you will be able to with 3 down 3 up ?? How do you expect to get defensive pressure with 3-3 when you cant with 4-3 ? Do you expect this extra DB will improve all of these issues? You sir may have just revolutionized football as we know it .