Have any of you seen the new book, Basics of Verbal Aspect in Biblical Greek by Constantine Campbell? I hadn't heard of the the author before, but I got it, and I have enjoyed the first few chapters. So far he has explained why verbal aspect is important, the history of advances made in the study of verbal aspect, and the perfective aspect. Someone has my Wallace's Grammar but I want to compare what Wallace says.
Campbell so far has said that the aorist does not innately contain past temporal reference but remoteness which often when taken in context plays out as past. His arguments seem to make sense but I wonder how the native speaker would have thought about it.
It seems to be a good book though, easy to understand, and not a horrible price either. It is more focused on the NT Koine Greek, but I don't think he would limit his view to just the NT. I am not sure what there is in the classical field related to such material, but this seems to be an accessible introduction.