Personally my pill of choice when I was into pharmaceuticals was Xanax.
http://www.realmedicals.com/xanax_buy.asp
Codeine was all great for the opiate high.
http://www.realmedicals.com/codeine_buy.asp
These days I don't do any of it but not because the American government is wasting money arresting people. So will America be invading Spain or any other country that doesn't require a silly prescription for an adult to buy something?