We Need that Feeling back of "CoP"(first release)

[NefarioCall]

I think all 'content areas' should be level synced to the level they are built for with room for players to enter up to 5 levels below that. There should be some kind of incentive for players to 'replay' content below their level to stimulate area use. Maybe that's as simple as using the achievement system to grant some item or another.

You're missing the point. Level cap is a baseless challenge. It's a cop-out. We can't think of any other way to make this challenging, let's put in a level cap. It lets them off the hook for creating interesting and unique mobs or dungeons.

This is another valid mechanic... I'd be happy to see areas that cater to a wider level range. FFXI did that very well on lots of the Zilart areas.