Agree with butch in that i like Dust also, but it can be a bit of a server killer, its another aztec in all honesty, where the t's need to work together to get out of a bottleneck, and we all know how much cooperation there is on a public
Personally if the map was to default, i believe no matter how many times it reverts to Dust2, that wont empty the server, being as that map is so unbelievably popular but we could do with a bit of variety. My suggestions would be to add office and cpl_mill to dust 2 and cbble, but thats just my ideas