Overdrive also scales on REC, I'm running PSS EGO with SS CON and REC on my Power Armor character, I rarely run out of energy unless I try to run all of my toggles at once.
This is the build I use for my pistols/sniper character. While I haven't tried Gravitar yet, it does very well in regular alerts, unity missions and lairs. PowerHouse (Link to this build) Name: Archetype: Freeform Super Stats: Level 6: Dexterity (Primary) Level 10: Intelligence (Secondary) Level 15: Constitution…
Heroic Gear is the purple primaries bought from the Silver Champion Recognition vendors, they have 3 mod slots each (2 for stat mods, 1 for offence/defence/utility cores). Vigilante Gear is the purple secondaries bought from the questionite store.