First of all, if you think x5 Starfire + stun is pure sex, just wait until you cream your pants over insta-epic flight woosh x5. Makes doing the Spirit Towers so OP.

My boomkins are set up like this: all balance, some rotated talents since 3.0 since nothing stacks anymore: for instance only one has EaM. Lead is a panzerkin, that is, a tank in moonkin form tanking advantage of the armor boost. The only thing I'm really lacking here is extra health and the taunt. The new talent Owlkin Frenzy plus the resto talent for Wrath pushback reduction really makes a difference here. Oh, also the new threat reduction on the balance tree is awesome.. no aggro problems with my tank and not having a taunt is pretty much taken care of by having an instant attack: Moonfire = lots of instant aggro. Leader is geared in all pvp gear: armor + spellpower with defense gems. Followers stay out of moonkin for reason stated above - lead as the aura and you can still heal. They wear combos of leather and cloth as I could get it.

One thing I'm worried about is Panzerkin gear. My assessment of the talent changes (and this could be its own thread) is that they're wanting a "one-size fits all" gear philosophy. My evidence is the addition of spirit -> spell power buffs on the druid balance and priest shadow trees and of course the healing/spell power change. This will be a problem for an extremely unorthodox spec where I want armor, defense stamina and spellpower, hit. PvP gear was perfect for this, gem slots, spellpower and LOTS of stamina, not to mention the resilience helps up to a certain point for missing crits. HOWEVER, come WoTLK, all 80 pvp gear will require ratings and being a PvE'er instead of an arena guy is gonna hurt me. So, if you're planning to panzerkin like I did, you may want to do some research into gear before you spend too much time. I've not had bear gear for a long time, but it shouldn't be too hard to pick some up if I'm forced to respec as this is a more orthodox spec for druids.

Anyway, I've just not really had a chance to do the 70 instances yet, but I was wanting to work on those come expan as an xp supplement (I see a multiboxer in the mass chaos that is the first new zone as 5 giant targets on a pvp server). Anyway, I have completed all below 70 instances with success, including Shirrak who was specifically designed to kick my butt with that debuff. I'm basically ready to move on to Tempest Keep now and start doing those. Don't really see it'll be much of a problem, except for maybe Nethermancer Sep? I still suck at movement. Healing is not an issue. x4 Regrowth > Dedicated heal. And when I'm really hurting I pile all the hots on and I'm usually fine. Only an enraged Gron has gotten me so far and I haven't gone back since gearing up more. Plus with the new heal spellpower changes, its easier than ever now to heal with a balance spec.

Oh also.. the new changes to trees are OP too. A boss that is particularly susceptible to melee damage just gets totally chewed for 45 secs. Also, in Sethek Halls with the first boss that summons elemental adds, I was really worried about them and I was planning the "burn through" method. Basically on normal mode my trees turned on the first immolate and ate all their butts before I knew I'd been hit. I almost wiped to laughing. I turned the forest of doom on one of those big elites at Netherwing Ledge when surprised by one and they could've solo'd it. It was almost dead by the time I'd healed the victim and started pre-hots on the tank.

Well, that's my assessment. Or most of it. I've been told on the IRC channel about the blogs Suv and Vyn are setting up. I should get one so I could write more detailed experiences. Basically, I like it because they're not shamans. I don't think they're better, but they're different. And there are lots of problems, some of which I'm sure I've not faced having not really gotten into 70 instances and heroics. I can say that 3 of my droogs with a real tank and healer did just fine in Heroic Sethekk getting my epic flight forms. I think with my experiences in there, I could do it.

Anyway, I hope this helps.