Hard to say what you would get more out of without seeing your build.
I have basic slotting for my powers. Classic ED slotting. 3 dam resist for tough for example. I have physical perfection for healing.Sorry for not providing more info. I just want an opinion thanks 
Personally I really like Agility for /Shield. Recharge, defense and some more endurance generation? Sign me up.
If we are to die, let us die like men. -- Patrick Cleburne
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The rule is that they must be loved. --Jayne Fynes-Clinton, Death of an Abandoned Dog
Hmmm I might go with agility. I didn't think of that. It will boost my end, def, and recharge. I have weave, so agility will come in handy.
I think I'm gonna rule out resilient because deflection offers minor dam resistance. Does anyone else have suggestions? Please, because I don't waste all these threads on the wrong alpha power. So far, agility looks like a helpful power.
I have a level 50 broadsword/Shield scrapper. I'm working on the alpha slot now. I'm wondering which path I should choose. Vigor sounds good but I think that resilient might be a better choice. I also have tough, weave, and regular io's in my build. Any suggestions or info will be appreciate it
Originally I wanted to go with musculature for the damage.