Really, when you get right down to it, with as many people submitting arcs as there are everything will seem to be done to death.
A limited map set, limited destructable items.. limited power sets... limited file size.. it is the nature of the beast. They can only give us so much to work with. So saying that there are things that are done to death, while true, doesn't really matter. Limits are limits, you can push them but you can't go beyond them.
HOW we work with it is entirely up to each of us. I just finished my first arc the other day after numerous... and I mean numerous edits and revamps. The players I asked to help test it enjoyed what I had written but each of them had feedback I took into account when I next edited it.
What I've found is that it doesn't matter so much what the plot is or the villains are.. what matters is if it is fun for the people playing it. Does it convene the story YOU want to tell them. Did they enjoy the journey to the end of the story.. was it really the end of the story and did you get that across to the player?
That is what reviews and feedback are for and, in the end, is the only true measure of your success with the MA. Write what you enjoy but embrace peoples feedback to make it better and you will do well no matter how "done to death" someone might think it is.
