A Harry Potter AU in which Severus Snape goes to Privet Drive for some reason, meets the Dursleys, and realizes that Harry isn't the spoiled brat that he had assumed.
Nobody Cared (Harry Potter) by Etherian
11 yr old Harry misses the Hogwarts Express. Snape is sent to find out why. What he finds changes any preconceived notions he might have had about the Boy-Who-Lived. AU, manipulative!Dumbledore, DE's, Voldy, but no horcruxes.