I gotta say, I like grandma Alice more and more (not quite at the LGAITE stage yet though).
A lot of people really disliked her. Yet, the way she treated Rory was great. It's like she can just knock sense into him. The plane scene was wonderful.
As for where it's going. Dom always seems to change things. I really hope this will be a chance for Rory to face his relationship with his dad, as others mentioned. At first, I was angry about the ending, thinking it was sort of a plot gimmick, but then I remembered the rest of DD and his other stories and realized that Dom knows what he's doing.
Overall, great chapter. Sadly, I didn't get to read it all the way through the first time because I had lecture (where I just sat and thought about it anyway ).