Drug I am currently obsessed with: Heroin. I almost bought some today, but a really good deal on OC 15s came up instead. I suspect that trying heroin would be the beginning of the end for me, but that doesn't stop my desire.
Crystalmeth.
Almost impossible to find in the UK
*I JUST realized i've never had any barbiturates, can anyone comment on how the effects are of, say, some phenobarbital?