More info:
http://www.siliconer...night-artorias/
"There are around three to four new stages, four new bosses, a new stage for PvP, and a handful of new NPCs made for new players. Players will also be able to pick up new equipment from some of the bosses."
This is awesome:
"Dark Souls: Prepare to Die Edition will allow people to travel through time to the past and play as Sir Knight Artorias"
Also:
"Currently we’re not planning to support any mods, because as I said, it’s a complete port of the console version."