So the general consensus is that dungeon finder is broken because of how long it takes to match up a group. I was in DF for 30 minutes patiently waiting before it kicked me out, so yeah there is some broken to it. But I also know that tanks are hard to come by and I believe that is a big reason for the long times. In guilds and with friends a group is made with whoever is available and some will mark as tank or healer to fulfill the role requirement. Couldn't this be implemented within dungeon finder? When signing up for dungeon finder couldn't there be a selector? Say for example (only one selectable at a time):
[ ] Traditional format
[ ] Tank not required
[ ] Healer not required
[ ] Put me in coach (grab the next 3 players off the top regardless of role.... we KNOW it will be dps)
This would hopefully eliminate the random fake tank in groups while moving the queue along for those who just want to get a random dungeon in and don't really care about group composition.