With loads of resil and hopefully very little burst not only on the dps side, but healing side as well, supporting survivability will be more viable than stacking pure damage/healing... Compare these to stacking dodge back in bc... we all had 2x eluding on our rogues for survivability. I'm assuming once mop hits, if these are going to be converted to 4-6 resil, stacking these along with pvp boas and base line 30% could be very viable in several mid field scenarios.
At least we hope burst will be severely depreciated...