This actually looks pretty interesting. I can't tell if it's supposed to be a documentary, mockumentary, or a film though. I'd definitely like to see it.
As far as documentaries go, I can't really help you. I know that I've seen some on MTV and what not back in the day, but that's not really saying all that much.
That line about viewing their bodies solely as inlets for drugs was pretty insightful. Mainly because it's hard to imagine, but especially eye-opening to the effects an extraordinarily addictive substance, like heroin, can have on a person mentally.