Rae & I each have 1, horde side, but under lvl 40.
The quest lines are really, really well-written. I was expecting more like it with Druid quests, so shaman quests are easy to get into for RP.
Also, like Druid, there are 3 full trees - melee, caster, healing. So you can change your gear and hybrid (main rolee & off-role), or step in for when a main is downed & save the day
Oh - and mh+oh, or mh+shield, or 2-h. Nice!