of all the ones ive had so far(havent had tha chance to try them all, jus a few, like NL, NL x BB, Sweet Tooth, NL #5, BB, W Rhino/Widow, jus to name a few, basically tha usual kinds that r around, not too many rare strains) but overall NL x BB has been my fav for a long time...when grown rite it bushes lovely, very dense buds, and the resin production is undeniably amazing, great fuity taste n smell!!!