This would be my list, based on your list.
Couple of notes. I graded needs in the following order...
-Tackle: 5.0. Our need at right tackle makes it the highest on the scale.
-OLB: 4.5. Coakley will be solid for 2-3 seasons, but we could use a player to challenge for the other spot.
-CB: 4.5. Butler and Fisher are marginal starters. Someone to challenge them would be a nice addition.
-S: 4.5. Between Arch at FS and Pisa at SS, this group could use someone who is familiar with their position.
-G: 4.0. Scott Tercero and Blaine Saipaia are solid but could use some competition.
-DE/OLB: 4.0. Players who fall in the 'tweener category here have a need rating that's half between OLB and DE.
-TE: 4.0. Manu can't stretch the field and his blocking isn't great.
-DE: 3.5. Unless Little misses time because of court, I don't see this as a huge need.
So then, here's my list.
1. Derrick Johnson, OLB, Texas (9.5; 4.5/5.0)
2.
Alex Barron, T, Florida State (9.6; 5.0/4.6)
3. Jammal Brown, T, Oklahoma (9.5; 5.0/4.5)
4. Antrel Rolle, DB, Miami (9.1; 4.5/4.6)
5. Adam "Pac Man" Jones, CB, West Virginia (8.9; 4.5/4.4)
6. Thomas Davis, S, Georgia (8.7; 4.5/4.2)
7. Carlos Rogers, CB, Auburn (8.5; 4.5/4.0)
8. Heath Miller, TE, Virgina (8.3; 4.0/4.3)
9. Shawne Merriman, DE/OLB, Maryland (8.0; 4.0/4.0)
10. David Baas, OG, Michigan (7.8; 4.0/3.8)
11. Channing Crowder, MLB, Florida (7.7; 3.5/4.2)
12. Khalif Barnes, OT, Wisconsin (7.6; 5.0/2.6)
13. Erasmus James, DE, Wisconsin (7.5; 3.5/4.0)
14. Marcus Spears, DE, LSU (7.5; 3.5/4.0)
15. Marlin Jackson, DB, Michigan (7.3; 4.0/3.3)
16. Brodney Poole, S, Oklahoma (7.3; 4.5/2.8)
17. Kevin Burnett, OLB, Tennessee (7.2; 4.5/2.7)
18. David Pollack, DE, Georgia (7.0; 3.5/3.5)
19. Elton Brown, G, Virginia (6.8; 4.0/2.8)
20. Odell Thurman, MLB, Georgia (6.8; 3.5/3.3)