Excellent, cats were on it within 30 seconds
I bought this cat tree last week, I put it together very quickly, the instructions were very good and the Allen key tool was included. Within seconds, my Somalis were on it, scratching it, trying out the beds. It's a really high quality construction, the posts have a large diameter (perfect for scratching), and it's sturdy when they put their body weight against it to have a long scratch (they're around 5kg). All sleeping surfaces have been used, the favourite is obviously the top bed - due to privacy, superior view over everything and comfort. I've put it next to the window so they can lounge and bird watch at the same time.
The colour is neutral, it fits into my cottage decor, and it has a very high quality, elegant look to it. I bought this for their home-away-from-home, they have the giant versions at my primary home, I needed a temporary solution and this is perfect.