Honor gain with my Disc/Holy spec has been about 5-10% less than it was when I was shadow.  I am getting more HKs, but less honor per kill.  The biggest difference is the number of times I die.  I die about half as much as I did before, which eliminated travel time, but increases the amount I have to drink.  I have had zero trouble getting water from mages due to power infusion.  Apparently PI is like crack for a mage, most go absolutely NUTS and rechlessly charge and suicide AOE everything.  I find this very amusing, but shortlived.  So...I usually toss a shield and renew right after the PI, and if they dont get too far away, I keep them alive too.  This alone has caused several AV wins, because allies don't seem know what to do about a suicudal arcane bomb until theyre half dead.  When 1 mage goes AOE crazy, more usually follow, and GY caps get quite easy.

Here's the healing strat I find works best in AV:
When fighting an NPC: heal whatever is tanking/has aggro
When pushing a GY: Mages and Hunters get priority due to their long range.  Locks get a HoT at 80% or so.  Rogues that run to you get healed next.  Warriors that charge in get healed only when they stay in range.  other healers get heals as well  :roll: 
Preventative healing works best (Dispell all DoTs because I hated it when I was shadow)
When to DPS: 
Wenever you see a rogue pwning anything
When someone tries to suicide AOE