I agree...take your time and make sure its what YOU want. You have been through alot and whats a few more days?
I would tell her after you file that she will be recieving papers soon. That way she is not blindsided, and you are being honest.
There is nothing saying that you cannot change your mind even after the D is in process or final. If you feel you need to start the closure process then do it.
Me: 46 FWS: 36 Married and Divorced 4/07, Pregnant 7/07,False R 7/07 Baby Girl born 3/08 Kicked him out because OW: 7/08 5/10 He realized what he had and lost. Moved home! REMARRIED 3/14/11!!