I own the HALOT and BDAG dictionaries; will the other semantic domain dictionaries for Aramaic, Hebrew and Greek give me anything significant that is not already in the aforementioned dictionaries? Thanks!
Yes, especially in their organization of the content, for instance, if they are organized by semantic domains it will be helpful for seeing related words, and if it is a theological dictionary, it will be include discussion relevant to theology verses just semantics.
see here for the source of the following discussion from Mark Barnes
Greek:
The logic is that there are three types of lexicons here. In positions (1) and (2) are standard academic lexicons. In (3) is a lexicon organised by sematic field, and in (4) to (6) are theological lexicons. That means I can get to any type of lexicon from the context menu in a couple of clicks.
Hebrew: