First, the new FBS tiers after week 10...

Tier A: Alabama, Florida St, Mississippi St, TCU.
   Tier A-: Baylor, Oregon.
   Tier B+: Ohio St.
Tier B: Arizona St, Auburn, Nebraska, Notre Dame, Ole Miss.
   Tier C+: Michigan St.
Tier C: Arizona, Georgia, Kansas St, LSU.
   Tier C-: USC.
   Tier D+: Duke.
Tier D: Georgia Tech, Missouri, UCLA, Utah, Wisconsin.
Tier E: Clemson, Colorado St, Louisville, Marshall, Minnesota, Oklahoma.
Tier F: East Carolina, Maryland, Miami-FL, Texas A&M, West Virginia.
   Tier F-: Florida.
Tier G: California, Kentucky, Oklahoma St, South Carolina.
   Tier G-: Boise St, Utah St.
Tier H: Air Force, Arkansas, Iowa, Penn St, Stanford.
   Tier H-: Washington.
Tier I: Boston College, Cincinnati, Northern Illinois, Rutgers, Tennessee, Texas.
Tier J: Memphis, Nevada, North Carolina, North Carolina St, Oregon St, Pitt.
Tier K: Georgia Southern, Louisiana Tech, Temple, Virginia, Virginia Tech.
   Tier K-: Bowling Green.
Tier L: BYU, Central Florida, Michigan, Navy, Toledo, UL-Lafayette.
Tier M: Arkansas St, Central Michigan, Houston, Rice, UTEP, Western Michigan.
   Tier N+: Washington St.
Tier N: Illinois, Northwestern, San Diego St, Syracuse, Texas Tech.
Tier O: Fresno St, Ohio, Texas St, Wyoming.
   Tier O-: Alabama-Birmingham, Middle Tennessee.
Tier P: Colorado, Indiana, Purdue, South Florida.
   Tier P-: San Jose St, UL-Monroe.
Tier Q: Florida Atlantic, Kansas, South Alabama, Tulane, Vanderbilt, Wake Forest.
   Tier R+: Appalachian St.
Tier R (double-sized): Akron, Army, Ball St, Buffalo, Florida International, Iowa St, North Texas, Old Dominion.
   Tier R-: Southern Miss.
   Tier S+: New Mexico.
Tier S: Hawaii, UNLV, UTSA, Western Kentucky. 
Tier T: Eastern Michigan, Miami-OH, Troy, Tulsa, U Conn, U Mass.
Tier U: Georgia St, Idaho, Kent St, New Mexico St.
   Tier U-: SMU.