He seemed like a pretty cool dude from what I remember. Such a shame when these things happen to genuinely good people.
And to everyone who's talking about drugs and stuff, you should think before you spew your self-righteous bullstuff. Doing drugs does not make you any less human. You still have problems, you still feel emotions. It sounds like this kid was fighting depression for a long time, which is something a lot of you have probably never felt.