Haven't messed with too much, but pistol/torch harb for sure. Hammer holo is almost great but lacks heat accumulation (really hope that gets added, it's fun otherwise). Condi scrapper with mace/pistol might actually be worthwhile for the first time ever, too.
I think hammer holo as is might be a good chance to explore options with blasting module. Had my fun with holo trait 123 justing jumping in and exploding. But it will be nice if they add the heat system to other weapons, including pistol and mace, too.
Surprised no one has mentioned revenant yet. GS is fantastic, and SB is both a ranged condition weapon and- sadly - better than hammer even for power. Herald is a big winner here, ren/vin less so but still solid. I'd say it's between this and ele for the biggest benefit.