| Haladir |
Overall: The segues between the different chapters were tightened up, so the whole AP feels less like six partly-connected modules and more like a single story. A few extra side-quests were added. More enemy morale sections included surrender (and possible redemption) information, rather than saying "he fights to the death." More player hand-outs. Much of the art was updated-- mostly the comic-style colored pen-and-ink drawings were replaced with painted art. All sections of Runeforge were detailed.
As for actual plot changes: there weren't any that I can recall. Neither can I think of any scenes that were deleted, but many were added or expanded upon.
The BBEG at the end of the original Skinsaw Murders was scaled back quite a bit, as that encounter was a major TPK machine-- although some have complained that it was nerfed a bit too much.
Other than that, a few minor points here and there were changed a bit for various reasons. One that comes to mind is an encounter in Hook Mountain Massacre originally called "The Strange Bear" that was changed to a firepelt cougar. I think it worked better with a bear.
Since I do have both versions, I mostly run the AE, but I do compare the original to see if there are any angles that changed for the worse. So far, I haven't really seen any.