Nice. I've grown clone-only versions of both GG4 and J1 in the past, and they are both great smoke. I just harvested some GG4 this morning actually, love the terps! Your seed versions will vary a bit from their parents, but should be fire. I can't find the J1 cut I used to run anymore, but heard that it's still floating around the bay area. J1 had this wonderful sweet bubblegum perfume type of smell with a great high. There was often some debate over the lineage of J1, as some dispensaries started carrying a version that they said was Jack Herer x Skunk #1, but I think they just made that up. The cut I had was Jack crossed with Super Silver Haze, and also sometimes went by the name of "Jack Flash", and won multiple cannabis cups back in the early to mid 2000's. A wonderful short-flowering sativa hybrid.