The gift thing is tough for me. I have always opted to just do what I want to do, and that is to get her something no matter if she got me anything or not because it's what I do. I just think reacting to HIS lack of gifts on holidays is just that, a reaction, not a genuine self-motivated act on your part. On the other hand, as OT often says, you don't want to be "more in" than he is.
I am torn, but in the end, I would probably do SOMETHING. I look at it this way; if I like to do it, and my only reason for NOT doing it is to spite W, or get back at her for something, I just do it and be happy that I made a decision that made me happy.