terms of weapons, exotic etc?
#Is there a point doing the raid more than once per character?
errant dawn
leaden socket
Encounter Loot is once per character per week.
north slate
If you're solely doing it for loot and the like, no.
digital radish
to learn the encounters better, to get collectibles if you missed them, to get spoils
soft shard
Sherpa i guess too
hollow yew
terms of weapons, exotic etc?
In terms of gear, no. You only get one drop each encounter per character, per week. You could repeat to learn the Raid better though