Here's the ranking by winning % of league opponents since 2000. The list illustrates two things clearly. First, the West has been much better than the East. Second, we have very little excuse for not having achieved better results over that period of time. Here's the list. I stole it off another site because I probably ain't supposed to link it.
TOUGHEST CONFERENCE OPPONENTS SINCE 2000 (SEC-ONLY)Texas A&M (94-74-0) - 0.55952Auburn (450-390-0) - 0.53571Arkansas (443-397-0) - 0.52738LSU (439-401-0) - 0.52262Tennessee (431-409-0) - 0.51310Florida (427-413-0) - 0.50833Alabama (419-421-0) - 0.49881South Carolina (410-430-0) - 0.48810Mississippi (409-431-0) - 0.48690Mississippi St.(406-434-0) - 0.48333Missouri (81-87-0) - 0.48214Georgia (404-436-0) - 0.48095Vanderbilt (398-442-0) - 0.47381Kentucky (397-443-0) - 0.47262
TOUGHEST CONFERENCE OPPONENTS SINCE 2000 (SEC-ONLY)Texas A&M (94-74-0) - 0.55952Auburn (450-390-0) - 0.53571Arkansas (443-397-0) - 0.52738LSU (439-401-0) - 0.52262Tennessee (431-409-0) - 0.51310Florida (427-413-0) - 0.50833Alabama (419-421-0) - 0.49881South Carolina (410-430-0) - 0.48810Mississippi (409-431-0) - 0.48690Mississippi St.(406-434-0) - 0.48333Missouri (81-87-0) - 0.48214Georgia (404-436-0) - 0.48095Vanderbilt (398-442-0) - 0.47381Kentucky (397-443-0) - 0.47262