About the forging mechanism, here is my observation. NXT's forging incomes mainly go to big accounts with 5 millions or more, especially to a few of 30 million + accounts.
NEM won't have that kind of forging fee concentration thanks to the initial distribution design. I would suggest we stick with the traditional forging mechanism as in NXT as well as PPC. It would save us a lot of valuable times to invent a new forging mechanism that is not be gamed or attacked easily.
It's true about the concentration, so this may not be worth the effort.
So apart from the distribution design, are there any things we can do to make NEM more attractive than other coins ?