I'd definitely avoid the HSB for now, until your forage base is built up; you can add them in the spring anytime you want.
With that in mind, if you stocked the GS and FHM heavily, and your BG were of a size to prevent predation right now, I would stock a few smallies this fall, perhaps 10. If they grow a bit over the winter, and have a good spring surge, depending on the size you stock they might be able to pull off a spawn next summer. This would be highly desirable in getting off to a good start controlling BG populations. I'm probably in the minority in this opinion, but I would even consider adding a few larger, wild caught fish, perhaps 8-10", for the same reason. There is always the possibility of bringing in a disease, or invasive plant, so keep this in mind.
