Return of Reckoning

So I have already decided to level a traditional tank and for group content. I would like to make a dps healer or tank as a goof around but still somewhat effective alt. Tht being said I would like current opinions on whic tank class can get the most dps and survivability combined and same with ...

So I've decided I will be either Choppa or Slayer. Is either class in demand more at the moment? I like both but I'd prefer to play which one is needed more at this moment. I've read forum posts saying slayer > choppa but I would still rather play which one is needed for their realm more. Your input ...