Topic Why is healing wave like this?
The talent progression has changed so much since I leveled up in Classic, so you'll excuse my ignorance for the talent looks at low levels now, but:
Do you have Maelstrom Weapon yet?
The 'quick heal' for Enhance is to blow one of your Maelstrom Weapon 5 stacks on a self-heal. And you can even use the big one, since it's instant.
That being said, if you plan a long PvP career, Enhance is the toughest spec to make work in PvP. Even at 80, Enhance is the hardest for PvP. The other two are much easier.