idk if you're still searching for good yielder's along with good qualities, the guy who mentioned Dinafem is dead on. Their Moby Dick, Critical Jack, and Critical Jack + are all good yielders, with an avg THC% between 14-19% if mem serves. And the other guy who mentioned W.Widow, just a great all around plant that's easy to grow. I love GH strains, don't get me wrong...but gotta be careful of any of their haze crossing which can and will grow like trees. I've got a tent and am seriously considering ordering 2 strains that I think will be a good fit for my space.
1. La Blanca - Kannabia Seeds
2. Fruity Chronic Juice - Delicious Seed
But I may just go with a White strain to keep it simple. Best of luck to ya
1 last thing. IDK if ur a clone only or seed guy. But the customer service at HempDepot is outstanding. GTAseedbank is another good route for genes.