Maybe it's just MHO, but to send a "Happy" Anniversary to your WAW.....and especially when the two are S, seems inappropiate. A wedding anniversary is kind of like Valentine's Day, it is a day of celebrating your love and/or your wedding. In a case with a WAS, what is there to celebrate? Besides, it is very pursuing....any card you try to find.
Email #2 is not my suggestion. I would not bring the subject up. I agree with citygirl, she's playing silly teenage games. I also do not think the camping trip was anything lasting for her. I think she was playing you to see if she could still wrap you around her finger. I think that is her plan when she comes over to watch that program. Be prepared.
I would not try talking to her. Has it worked in the past? You need to decide for yourself what you want and then stick with a plan toward your goal.
I am very concerned about something. If you want to move on with your life without her.....and you are sure....then okay. And, I understand that you need to have a positive attitude that you can find someone who would appreciate you and love you, etc. I agree with that. However, it concerns me how you seem to want to run from this R with your W and jump into another R with some other woman ASAP. Perhaps that is only how it sounds in your posts.
I have known D people who do not know how to make a life for themselves without finding another person to "replace" the spouse and to have another R. The point I'm trying to make is to know that you can be happy with who you are and the life you will make for yourself....regardless if there is another lady right away or not. In many cases there are second M's out of rebounds and then another D. So, be careful about jumping too quickly into another stitch, thinking it is the answer to your personal pain or lonliness.
It is not about what you feel should work in your M. It is about doing the work that gets the right results. Do what works!