I have to agree with LGuk for me. It was always full of life, people and trains on LIVE. Never a dull moment and full of mobs with good drops. But people tend to forget Blackburrow as well. In Live, that zone was crazy. Like Crushbone. Trains, hilarity and high-level excitement. I always wished there had been a zone inside of Crushbone or Blackburrow, like Lguk in UGuk.
I think this could be an amazing dev idea. Zone at bottom of Blackburrow. IMO we are kind of lacking a zone for 51s to grind for exp and gear in that contains blue and yellow con mobs. Somewhere new to explore that can be duo'd. I know Plitpaw exists but I haven't been there on here yet but from what I've seem outside of it it looks like you're running Infected Paw. Which if I remember correctly is very very tough.