Washington were more snobbish than USC. UNLV were almost as bad as Utah (I have been to UNLV about 5 times), Utah fans are by far the worst and have been everywhere I have gone to see BYU from Vegas, to Seattle, to Los Angeles. UNLV had the most Ute fans. Air force was probably the best but they were just neutral I have been there 3 times, didn't feel welcomed, but didn't feel unwelcome either.