Well, from what I heard, Hendersons is accurate for the english exams and JAC for the maths ones, and the practice tests on the department of education website are considerably easier than the real exam. I was also a bit worried about the writing, because on a website (I think it was exam success), it said even if you get all superiors but an avg in the writing, you might not get a spot. Anyways, good luck trying out for Macrob