I found this list interesting. If we want a "bigtime" coach, then this list is a good place to start for names not mentioned yet. I blocked off the first ten because they are either fired (Chizik) on the verge of being fired (Ferentz) or never going to leave (the rest of them).
I comment on most of them below. The only new name that comes from that list, for me, is Todd Graham of ASU. They seem to be moving in the right direction, but that's about all I know about him. It is interesting to see how many of the names on that list have already been discussed though.
1 Nick Saban
2 Mack Brown
3 Bob Stoops
4 Urban Meyer
5 Les Miles
6 Kirk Ferentz
7 Gene Chizik
8 Steve Spurrier
9 Gary Patterson
10 Chip Kelly
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11 Mike Gundy - already played out
12 Brady Hoke - no.
13 Lane Kiffin - no comment! LOL
14 Mark Richt - won't happen, don't want anyway.
15 Todd Graham - ASU pretty good this year, maybe?
16 Bo Pelini - probably won't leave, only above average at UN
17 Jimbo Fisher - already played out
18 Jeff Tedford - just fired. no.
19 Gary Pinkel - From Missouri. No!
20 Paul Johnson - about to be fired? no.
21 James Franklin - if not at Vandy, then a strong candidate IMO. But fanbase probably would never accept.
22 Bret Bielema - already at Ark
23 Brian Kelly - not leaving ND, probably in line for a big raise
24 Dan Mullen - maybe? But down my list a bit.
25 Mike London - Virginia SUXES. Way overpaid, no.
26 Kevin Sumlin - HAYELL YES! But seriously doubt he would come.
27 Will Muschamp - in his dream job, won't leave.
28 Larry Fedora - Near the top of my current list.
29 Frank Beamer - won't leave, past his prime, might as well hire Fulmer.
30 Charlie Weis - LOL! No comment necessary.
31 Steve Sarkisian - probably won't leave, and has only been above average at UW.
32 Dana Holgorsen - why leave WVU to come to UT? Only a small step up, and he has it well at WVU. Don't want anyway.
33 Jim Grobe - Wake Forest is bad, not sure why he makes this much. No.
34 Mike Leach - too much controversy, and given performance this year, the shine is off. No.
35 Bill O'Brien - unlikely to leave Penn State IMO.
36 Tommy Tuberville - only if really desperate, and again, why not just hire Fulmer?
37 Art Briles - legit prospect! Not sure yet though.
38 Bill Snyder - would never leave KSU, but would love him as a transition coach.
39 Dabo Swinney - maybe?
40 Jim Mora - out of play?
41 Derek Dooley - already on payroll!