Theymos responded in that thread earlier on this year, but I think many people missed his post:
Sorry for the wait, when I went to implement this it ended up being quite a bit more of a can of worms than I originally thought because of opting out, preventing certain report-count-padding strategies, etc. It's still on my to-do list, but there are several things above it.
still waiting for it 
Sorry for the wait, when I went to implement this it ended up being quite a bit more of a can of worms than I originally thought because of opting out, preventing certain report-count-padding strategies, etc. It's still on my to-do list, but there are several things above it.
One thing is it would surely reduce surface spam of it does hit the ground. Lots of members would be engaged and cleaning out high priority and also low priority cases of spam. This would increase the workload on moderators but to other remembers it would be just fine. Would be interesting to see what theymos comes up with, should it get implemented regardless
Probably a priority meter where reporters choose how important their reports are before submitting based on an already generated suggestion.