I had a similar experience to Quix. I leveled almost all the way up at 4x ele, then as I got close to 70 and was running instances more, I spec'd one over.

I hated it.

If it had been a more efficient healer, I could maybe have dealt with the issues involved (mainly just more to think about since they aren't all doing the same thing now), but I seemed to be having a lot of trouble keeping the resto shaman from oom. In the end, I just spec'd back and it was much better.

So I recommend just running 4x ele, at least until you're max level.