1) Longer summary, thumbs up!
2) Longer prep is good for less experienced debaters; it doesn’t seem to make a difference for more experienced debaters.
3) I think it really highlights the problem of debaters tailoring evidence to fit their cases, but that’s always been a problem–this just makes it more obvious.
4) Get rid of Grand Crossfire. It doesn’t advance the debate at all. It’s just a waste of time.
6) Only if you get rid of Grand Crossfire.