The people in the west valley are probably more used to loud noises such as F-16's flying around, so noise abatement might not be such a problem.
I flew out to visit my parents in Litchfield Park and we parked at GYR. They have a beautiful terminal and fuel was cheap. We did see a UAL 777, a couple MD-11's, and some 747-400's parked on the field. There is also a retired KLM 747 that they've been working on for about 2-3 years now.