I really like the beta deep discipline talent Strength of Soul, which reduces debuff time on weakened soul by casting heal, but I think many of the PVP advantages discipline had will be gone.
PVP discipline advantages lost:
•Mass dispel no longer faster
•Mana burn no longer faster
•No additional dispel protection for buffs.
•Rapture no longer grants mana/rage/focus to the target
•Less cooldown reduction for penance, power infusion and pain suppression
•Less spell haste from borrowed time
•Power word:shield relatively more expensive
There are definite improvements, like the reduction of inner focus’s cooldown from 3 min to 45 secs, but overall I think the spec won’t be the only viable choice for PVP healing, as holy now has advantages that I feel put them on pretty even footing.
PVP holy advantages gained:
•Resilience not reducing crit frequency raises the value of blessed resilience relative to focused will. (Though focused will remains the best reason to go PVP discipline)
•Larger HP pools and mana concerns raise the value of steady, efficient healing relative to burst and absorption.
•My arena teams and prospective BG team will use lightwells if I drop them. Leap of faith to a lightwell sounds solid.
•Holy Word: Chastise. Or Holy Word: Serenity. Or Holy Word: Aspire. Instants rule the battlegrounds.
Also, after seeing Shadow get more and more competitive over the last season, I’m eager to try out the new version. I have a crazy idea for a build that doesn’t rely on Mind Flay, but focuses on mobility and fast casts instead. Hopefully Mind Spike will hit hard enough to make it viable.
So after being Discipline/Discipline ever since dual specs first became available, I’m planning to go Holy/Shadow with the 4.0 patch. I’ll let you folks know how it goes.