People say a dog is man's best friend, but that saying could also be applied to robots — at least the way Hollywood portrays them. Sometimes they can be scary, but on TV and in movies robots often develop into more than just programmed electronics. All bets are off once these Hollywood 'bots decide they have feelings, too. In honor of the opening of Wall-E, here's my salute to good-natured robots. To see who I picked, just hit "Start."