it didn't seem to include anything new once it finished. maybe my computer or steam chowed down on some of the files and it needed to download them. strange though i haven't even played nwn2 again since i bought the steam version last winter and only even loaded it once to see if it included Mysteries of Westgate at that time. i own all the boxed versions but loading the 8 or so discs again would have required some serious pain. It's taking up around 11.4 gigs now but the odd thing was it was at around the same before it downloaded the 2 gigs. maybe installing another game took out some common files but i can't imagine 2 gigs worth being common?