In part, this concept comes from the new rewards system, where you don't see all the gear rewards the quest giver offers but rather only the ones that are specific to you. As a solution to this, Blizzard provides green gear vendors that distribute off-spec gear.
However, Ghostcrawler announced today that Blizzard's going to offer more spirit gear again via quest rewards. This is in part due to the constructive (read: non-trolling) feedback it's received on the issue.
So rejoice, healers! Getting geared up will be a bit easier for you now.
It's open warfare between Alliance and Horde in Mists of Pandaria, World of Warcraft's next expansion. Jump into five new levels with new talents and class mechanics, try the new monk class, and create a pandaren character to ally with either Horde or Alliance. Look for expansion basics in our Mists FAQ, or dig into our spring press event coverage for more details!