With the introduction of hard mode dungeons, I assume Mobs will be of a higher level than normal and loot drops will be of iLvl 50+ as well. But has the dungeon design team given any thought to adding new areas to dungeons already visited? AKA branching paths.

For example when a party defeats the first boss they have a choice to go through door 1, 2 or 3. Each path leads to a previously unknown part of the dungeon. When they reach the next boss they are given a choice again.

Maybe different paths are harder than some, but rewards are greater.

the point being, each dungeon needs variety to keep things interesting.