No idea on PvP but Spell Power Cure is still the go-to set for a PvE healer.
I am doing 5 SPC, 5 <Something> at the moment.
That <Something> depends on the content and will be either:
- Worm
- Infallible Aether
- Gossamer
- Combat Physician
- Something that escapes me at the moment
I don't think and monster set works that well for healing.