They claim to have all the original genetics of all the strains they use. So they claim to have the original/best northern lights, northern lights x haze, g13 x haze etc...
I've never seen anyone finish it to full potential but the early signs looked promising. The closest thing I've seen is Pukka Seeds (same company as Doggie's Nut's) Armageddon and the guys that grow that seem to like it a lot.