Skan is right. You don't need to make decisions right now. And, really, you shouldn't.
Today, you're feeling relatively hopeful.
But you're still right on top of d-day. Your feelings are going to swing in ways you can't even imagine yet.
Tuck this good day in your mind, to keep you going on days when the LAST thing you can imagine is staying together.
With a remorseful spouse I think it's reasonable to approach life as though R is expected. I would encourage you to express your feelings, and to ask the questions for which you'd like answers. I'd encourage her to tell you EVERYTHING, and to openly and honestly answer your questions, no matter how often you ask the same ones.
All you can do, SFB, is take things a day (or an hour, or a minute) at a time. Focus on the things YOU can do, and the things YOU can change.
Do a lot of observation. How does your wife behave as you observe how things unfold? Is there rugsweeping behavior? Does she make proactive changes in the way she thinks, feels, and acts? Does she make IC appointments for herself? Does she share with you how she feels, and how this is different from the way she felt during her A? Does she look for her whys? Does she work to acquire new coping mechanisms so that she never finds herself heading down that same path? Or does she become complacent or, worse, impatient with you or defensive?
The observations--and the work they indicate is necessary---take time. That's why you will frequently hear that healing takes 2-5 years.
I think it sounds as though things are quite hopeful for you, and I think you can take some comfort in that. But I would caution you about rugsweeping. As one who did that because the "first" infidelity was "not a PA," I can assure you that real reconciliation does not occur without both complete honesty and hard, hard work.
The last thing you want to do is return to your old status quo--even thought it IS familiar and therefore gives the illusion of comfort.
But I think there is an awful lot of hope for R. That is, if your wife has SAID she wants to R. That sounds nitpicky, but for me, it was pivotal. You see, I assumed that, like I, he wanted to R. I didn't ask---and that was a HUGE mistake.
You've asked, right?