Similar to what this request is looking for, two things would be nice to have...
- Some sort of "snap area trigger" auto alignment (i.e. snap to edge of "button"... center button based on center of another button horz & vert, etc)
- (#1 would probably negate the need for this, however... ) In the "snap area trigger settings"... it would be helpful to be able to not just adjust the size/position of the Window, but of the Snap Area Trigger as well.
*EDIT: So far, I'm only using custom snap areas as shown in the pic... however I can forsee a lot of additional uses if I could make little grids of snap area triggers.