Hey Captain - You are right about not guilting her to come back. Also, you dont want her crawling back out of financial desperation. The only way it will truly work is for her to realize that the OM grass is not greener on the other side of the fence.
When the time comes, that is where the tough rebuilding begins. One great book to get for healing following an affair is "Not Just Friends" by Shirley Glass. You can find it at the library.
On my side of town today, the sun was shining but the wind was blowing. No rain for me - you must live in the wet area of Portland. However, I took D6 out yesterday to plant trees with the Girl Scouts in Tualatin - it was raining and was a mud fest.