There are 9 undefeated teams in college basketball. Here is their Strength of Schedule according to Pomeroy:
Kansas #6
Nevada #89
Michigan #99
Buffalo #139
Houston #296
Virginia #303
Furman #323
St. John's #332
Texas Tech #349
Buffalo should stay unbeaten, up 10 late at the Dome
Nevada could very well make it to the tournament undefeated.