http://www.seittipaja.fi/data/Photography_lessons/a_Photography_lessons.html (A set of lessons targeted towards the beginner, but still valuable for the advanced photographer to a certain extent. Also covers digial post processing, which is particularly useful when you step up from a Point-and-shoot to a DSLR)

http://www.dpreview.com/learn/Photography_techniques/ (This will tell you about specific solutions to photography tasks as well as give you general hints on composition that will make your pics look better)

(nubui)