And thank you for responding, I can't tell everyone on this forum how much it helps to know we are not alone and feeling the way we are at the moment.
You are absolutely NOT alone. I walked out of the exam feeling that I at least did average which should be good enough to pass. I felt acceptably prepared and generally found no big surprises on the actual exam.
The first 3 weeks after the exam I really didn't worry much as I kept my confidence up.
Now I am convinced I failed - I have no concrete reasons to justify that, except for some chatter on the MPT instructions I read online - but that is at most 10% of the exam so I shouldn't worry - but I do.
So - for previous test takers - should I run with my initial level of optimism and do you guess that to be a fairly accurate measure? It pretty much worked in law school final exams - but this is different.