This thread is near two years old, but since it was commented on recently I thought that I would add that I still have a mom from this batch of seedsman seeds white widow (one of only two strains I have kept) and after all this time it is still my favorite herb to puff. After trying out around 25 variety since I still have not found one more suitable to my needs.
I had two distinct phenotypes, one was a typical sativa structure that 4 of the 5 seeds grew out like but the 5th took on a more indica style of growth, with nice dense buds and great sugar production. That's the one I still run today and puff almost exclusively.