are they needed in this game? if they are needed are they a pain to learn run without mana draining? and what one would be suggested?
Healers are needed in 99% of all current group content. They are needed in all raid content. In summary, healers are a must have. All classes have ways of handling power (mana) draining, some better than others. In general, it should be low on your list of considerations if deciding to roll a healer. Read up on the classes in this forum to decide which healer would fit your play-style best.