I think a lot depends upon the level range in which you plan on doing most of your teaming; Post-35, there's the fire and elec APPs that have heals, and later on, the barrier destiny can rez allies. I admire your desire to support your team, but I would also ask you consider if other power picks or a change in tactics might save your teammates from needing to be yanked out and rezzed. For instance, both the dark and soul mastery APP/PPPs have darkest night, which can greatly reduce an enemy's ability to hit, and even if they do, they'll deal less damage. Those 2 can make needing to tp and rez unnecessary. Another approach, since you have pretty solid armor as a Sentinel, is to draw some fire away from your squishier teammates - "putting your mask on first", so to speak...