I also just took the MCAT Kaplan Full length #1
I got an 12V, 10P and 11B (while on the diagnostic i got a 12V 8B and 9P) and i, too, know that there is a lot of work i still need to do.
I think that perhaps the passages that were presented were just ones that happened to match my strengths (genetics, molecular bio, eukaryotic cells, etc) and didnt happen to touch on my MAJOR weaknessed (edocrine, neuro, etc) such that i happened to get lucky.
i also think that we have to remind ourselves that the actual scoring (of the real thing) also is based on what all the other test takers got, while kaplan only correlated # of correct andwers with an approximate score.
but i am interested in others' experiences, too.