Thanks man. I am looking at The Attitude Seed Bank. I have heard really good reviews about themYeah I do agree with stonerman it does depend on vegetative period although seed bank websites do usually have an avg. yield for each strain they offer.. On herbies seed bank they do anyway? Or mayb google it? Good luck man, I just received my seeds all way from UK and I'm so happy they made it safe and unmolested by mr border patrol.. Maybe just use herbies pick and mix and just get 1 of each out of a bunch of femenised/regular strains? That's what I did and I'll keep a log book of my whole grow to determine the best IMO of my 8 diff strains.. I'll also Post it up here once I done =)