This is the only all black cat tree that I've been able to find. My kittens LOVE it - especially the bucket off of the side. It was really easy to build, but didn't fit together quite as perfectly as I would have liked - one of the screws was too small to grip. Nothing some wood glue couldn't fix though. 

Pros: Easy to build, all black, seems to hold up well
Cons: Didn't fit together perfectly