Hey,
I am hoping she gets the PPR by mid Nov and come by Nov end
Not to alarm you but just basing from what I have seen in the last two years.
Usually. Usually. its all about the applicant after the file has been transferred but they do look at the relationship as a whole only once the file reaches the VO; they only check on the sponsor for financial capacity and a bit of relationship. We can never know for sure what the chances are for the interview so I don't stress on it now especially at such an early stage.
Also for the medicals, I have seen its better to wait for re-medical request since a) it usually means they are ready to issue you the visa and this requesting the re-meds and b) I have seen them re-requesting the medicals once again even though you have already sent it months earlier. There is nothing to worry about if its about to expire.
You or others might find this useful:
One thing I learnt which helps us to keep our sanity and our marriage: Just let it go, you have already applied and there is absolutely nothing you can do to influence the applicant and the less you try to "figure out" and look at it through a microscope the better off you will be.