nice soundtrack + cool pictures.
I'd like to see more games just have credits full of concept art, I love to see stuff like that. Homeworld/Homeworld Cataclysm outro credits was probably some of the best I've seen. Baldur's Gate had some nice concept art/game design process elements in its credits too. In fact, I'd want to see more games just release all of their concept art but finding such things they end up either as collectors items, thrown away, or locked in a tiny cupboard so nobody else in the world can see them.
If I liked the game then I always feel i should at least acknowledge the people who made it. Plus sometimes there is a rather awesome name that will just completely take me by surprise. For example Mr Nolan North in Portal 2. There is no way I would have known about that.
Yes, especially after meeting people who work in game dev studios. Human beings made that game you just played, at least take an interest in who did the favorite bits of your experience. In my case, I definitely always read the cast list and the list of concept artists/animators.
As odd as it sounds, I always like to check and see if the credits include all the babies born to the staff during the production of the game. Sometimes they're hidden among the messages, sometimes they have their own block, but you'd be surprised at how often this little news item winds up in games.
I never skip the credits, like everyone else I'm afraid of skipping something. I don't actually watch them though, usually I'll do something else, sometimes I'll sit there and passively watch them as I think though. Plus, credits can have some pretty good music with them.