DraggableViews questions
Yes, you should get the four-way cursor and be able to drag stuff around. My own experience has been that DW for D7 is quite buggy. We use a particular commit in NodeStream's makefile, you could try to work from that one, as we do our best to keep well working versions in that make file.
I don't think you can use a View mode, but must use fields. I could be wrong though.