Here's inter-league results (season, winning conf, difference in wins)
1 Big 6
2 Big 24
3 Big 14
4 Big 2
5 Big 10
6 Big 10
7 Big 10
8 Big 18
9 Great 2
10 Big 4
11 Tie 0
12 Big 18
13 Big 14
14 Great 18
15 Great 20
16 Big 12
17 Big 4
18 Great 24
19 Great 10
Overall, still 13-5-1 and +72 in favor of the big 8. Though, doesn't address the quality of the conference from top to bottom.
"Well, no ones gonna top that." - http://tinyurl.com/noigttt