Ahimsa neem oil with free shipping from Jeremy @ buildasoil
http://buildasoil.com/products/neem-oil-organic-from-india
That's where I ordered my last batch from.
Well shit, if I'm ordering from them, I may just go with their essential oil mix as well. 8 oz for $45 is about as cheap as I can make a mix myself.
God damn you guys and all these options! I'm too indecisive!