Quite enjoyable, watching videos of your yard and collection. I feel a little less crazy, or at least not alone, as I can't seem to stop adding to ours.
Seems you are on the verge of some serious garcinia fruit production.
Does your g. acuminata have leaves that kind of poke you on the ends? Asking because my tree looks a bit different, and has leaves that remind me of holly in that they are a bit pokey.