Really enjoying the game so far. Some of the changes are definitely good, such as the inventory management and crafting overhauls. Losing the floaty overhead cam continues to suck, especially on nightmare. Managing agro and crowd control are now particularly vital, due to the new interrupt and knockback systems. Mages are still awesome, but they're now much more vulnerable, while rogues and archers have become a lot more useful in combat.
As I suspected, people were reading WAY too much into the demo. "What, stealth, lockpicking/trap disarming, injury kits, poisons ect. weren't in the 20 minute demo? They must not exist!"