I use the debugger mostly for Analytics and it would be preferable for me if the new network requests loaded on the left (front) rather then the right (end).  I am mostly looking for the latest request and it is a pain to have to go to the bottom of the window and scroll to the right to see the newe...

In Venn visualization would be great to see size and generate new segments outside of the overlaps.  Today you can only get totals in segments (full circles) and in the overlaps, and you can only generate new segments from the overlaps.