With regards to a spec, all I can say is find a niche. Demand for healers will always be high; seeing as how druids excel in the latter, if you don't find it appealing, you might want to find another class.
This is the spec I use currently; it's not the end-all of the druid it just suits my needs for dungeons, battlegrounds, raids and so happens to complement my style of play and those who I play with. For template specs, Heart of the Wild and Moonglow are both quite useful obviously in so far as boosting efficiency without sacrificing much (e.g.28rest/23 balance; 30feral/21 rest). Innervate is greater as a wipe prevention tool, akin to Rebirth, and it's not on a thirty minute timer (only 6), the other two are passive, ergo active all the time. So take your pick. You'll find it's more a question of knowing what to do and when to do it often enough. But mistakes can and do happen, especially when you try stuff for the first time~. My only major problem is with Moonkin; it's a novelty at best. In PvP, you're basically a target for a rogue to come and sap you and cap the flag you were supposed to have been guarding. If a mage/priest/lock comes along he'll counterspell/spell-lock/silence you the moment you change forms. At least with leader of the pack you still have your basic beast form traits.
As a general rule, for PvP I try to keep 4K HP, 5K Mana and 10K armor for bear as unbuffed stats. I'll use the same set if there's another healer present for PvE purposes. Raids will have a focus on Mana/5sec, +healing, intellect, spirit etcetera. Stat-wise, I trade off the armor items for those, so it turns out to be about 6K mana in lieu of the armor.
(Tangeant) Itemization thus far doesn't really complement feral and balance builds until you hit BWL/AQ due to the lack of +defense gear or +damage on leather, even then genesis is pretty paltry when compared to the parent class sets, in which case you're faced with the opportunity cost of screwing a squishy out of something they could put to better use or a tank out of the dark iron ring they've been waiting forever for; whereas you'd only use it if Timmy the Tank took the night off, or wanted that starfire crit that Mickey the Mage does every second of every day and twice that on Sundays.