I have heard of it done in certain aircraft, but not in the sim. I also doubt you will find it done in a MWS. Those I have heard doing it in an AF plane is by an FAA Flight Examiner quallified in that airfrane (ie, C-21 (leerjets), C-12 (kingair). What are the odds finding a civil equivilant to a C-17, C-5, KC-135?
To answer the second question, look up
http://www.atpflightschool.com/
You should be able to go in and in two days walk away wiht the ATP. As far as the written goes, either fire hose at ALLATPs for a whole day and take the test that day, or a much cheaper self paced route at
http://www.sheppardair.com/
That's what I did - good test prep.