I will take my time tomorrow to read through it all. The blue text in the CoH part hurt my eyes the first few seconds but that just might be me ^^, but well blizzard quotes have to be blue.
I used hymn of hope on Gothik this weekend somehow two healers failed at living side and only one healer and tank standing there, while i was the only healer on undead side and noone died. Anyway i saw the healer went oom so i ran as close to the gate i could get and started channeling, I'm glad i was of some help to the other side.
Oh yeah, holy priests should indeed NOT use shields (if there is a discipline in the raid).