I have two cats - one has decided the Ultimate Cat Scratcher Lounge belongs to HIM and he gets very resentful if his brother gets on.  He spends most of the morning sacked out here and also loves to jump on it and scratch like mad.    

Pros: Nice looking alternative for cats who like to scratch downward.  Lightweight and easy to move around.  Cat loves it.
Cons: A bit larger than I anticipated, but good since my cat is a whopper.