I had to make some adjustments to your rankings. First...Missou and Tex A&M automatically become elite teams once they join the SEC.
Second...all teams after #14 have to be from the SEC out of conference schedule to insure they have the toughest SOS...so here are my rankings...(yeah...I'm a goof).
2012 start of season rankings...
1. LSU
2. Alabama
3. Arkansas
4. Georgia
5. South Carolina
6. Auburn
7. Florida
8. Tennessee
9. Mississippi State
10. Vanderbilt
11. Ole Miss
12. Kentucky
13. Texas A&M
14. Missouri
15. North Texas (LSU)
16. Washington (LSU)
17. Idaho (LSU)
18. Towson St. (LSU)
19. Michigan (bama)
20. W. Kentucky (bama)/(ken)
21. W. Carolina (bama)
22. Tulsa (ark)
23. Buffalo (geo)
24. FAU (geo)
25. Georgia Southern (geo)
26. UAB (s.car)
27. Wofford (s.car)
28. Clemson (aub)
29. Alabama A&M (aub)
30. Bowling Green (fla)
31. La. Lafayette (fla)
32. Jacksonville St. (fla)
33. Florida St. (fla)
34. N.C. State (ten)
35. Georgia St. (ten)
36. Akron (ten)
37. Troy (ten)/(miss st)
38. Jackson St. (miss st)
39. South Alabama (miss st)
40. Presbyterian (vandy)
41. Northwestern (vandy)
42. U Mass (vandy)
43. W. Forest (vandy)
44. Central Arkansas (miss)
45. UTEP (miss)
46. Texas (miss)
47. Tulane (miss)
48. Louisville (ken)
49. Kent St. (ken)
50. Samford (ken)
51. S. Illinois (missou)
52. Arizona St. (missou)
53. Miami Oh (missou)
54. SMU (tx a&m)