Originally Posted by
Faylo
I have also been super lucky, aquiring the bracers yesteday as my 5th and having belt+helm.
I am quite sure that for pure ST you use Belt+Bracers, for most AoE bosses you use Bracers+Helm. The case for Helm+Belt could be made for fights like Guldan, where the extra mobility comes handy in the execute phase (on heroic).
In rare cases where you use TW on pull, and the fight is like 6:00 or so long, ring might be a upgrade over belt. Duo to you being able to efficiently time warp 3 times in fight like these, ensuring very high uptime. Krosus is a prime example of this (TW on pull, Hero from an external on next combustion, TW on last combustion).