I really didn't see that much difference in regards to the scripting with Brash and the priestess. Was it in the dialogue?  I really didn't notice anything different... Maybe Brash walked a little slower? What exactly was changed, there?

I saw a few different areas for rats. Not that big of a change, though. Not really noticeable, but I was looking for it.

In regards to the map, it doesn't seem any larger to me. But I am playing on a tv screen, not a computer monitor, and my resolution is pretty high. Not sure if that would make any difference. 

I think the most important part is that I didn't experience any crashes or freezes.