I couldn't do any of Q7, and I had a good look at it for 20 minutes! 18 marks gone - but I'm pretty sure I got absolutely everything else, based on what I've seen on here. Not sure if it was really hard or if it was just me having a mental block. Anyway, 52-54/72 is good for me and hopefully that's a B. Maybe I can get really lucky and have 54 as an A!