Just to be clear for those interested in main switching in WoD. If you are not asked by an officer and coaxed into switching class you are free to switch to whatever class you would like... but... you will have to app, trial, and compete for a position. We will not let progression suffer because Sollua or whomever thinks he can play ret.
This is not a matter of being rigid, square, or a general lack of fun-ness. Continuity in a raid is important and knowing your class is a key to success.
It is clear during alt raids, and this week where we used some alts in main raid, not everyone is as good as they would like to be on their alt/potential main and I cannot let the raid suffer while you learn.
We like people with a guild first attitude.... and would discourage class/role changes in most instances.
With that being said if you are seriously considering switching classes or roles the earlier you talk to me the better.