My cats - all five - LOVE this cat tree!  Cats love to sit up high and with this tree, 3 can perch up high at a time - no more fighting.  They loved the cubbies - especially when the 'vacuum monster' was running. The carpet is soft. They did outgrow the round hammock thing fairly quickly but, still used it as a jumping off point.

Pros: Easy to put together, multiple features
Cons: Hard for my older cat to climb onto