I have a class tonight, or I would have joined you. Too bad the dates and locations weren't switched! I could have gone to this dinner on Sunday. Oh well.
A heads-up, though: That Sunnyvale P.F. Chang's parking lot gets extremely crowded! It's in a small shopping center that has a Borders Bookstore and some other food places and shops, so plan on spending some time finding parking. If you drive toward the apartment complex at the far end of the lot (past the Starbucks), there are usually some empty spaces down that end if you don't mind the walk back.
A very pleasant restaurant in Palo Alto is a new Southeast Asian place, Orchis. Give it a try it you have time while you're out here: