Kharmaa's Shroud of Hope [33333]
Dory's Embrace [33484]
Cloak of Arcane Alacrity [35321]
Cloak of Subjugated Power [33304]
Cloak of Swift Reprieve [35324]

There are no PvP cloak upgrades in Phase 2 and 3. For that reason, everyones using PvE cloaks. Clearly an oversight by Blizzard.
In this case there's no good reason to follow patch progression and keep the cloaks out of the game until Zul'Aman.