Basic configuration. Daily measured meals, helped my cat lose weight. Refill about once a week. A little do-it-yer-self to set up. Other pet feeders suffer from various weaknesses: ultra-expensive, or cat-burglarizable, un-cleanable, limited meal capacity, etc. Some funny videos here: http://youtube.com/results?search_query=automatic+pet+feeder&search_type=

Cats love the running water. Get the reservoir, too.

Not really automated, but it works so well it may as well be! ... Gets out a ton of hair, but be prepared to clean up your cat with another brush to avoid hairballs. I use this occasionally to thin things out.