WoW Insider writes:
"An excellent thread on Plus Heal has caught my attention and it's a topic that's also been picked up by Kestrel.
It's about the current use of Greater Heal (or lack thereof).
Check your meters. Specifically, check your cast sequences. See if you can determine how often you use Greater Heal on a typical night. If you're a player who uses it often, I applaud you. From a mathematical and healing efficiency stand point, Greater Heal has the edge.
Under lab conditions.
Except raid environments aren't lab conditions. Let's go into detail about when Greater Heal is used in Discipline and Holy after the break."