Sorry you've not had any responses about this. Are you sure you've posted in the right place? Here's a link to our subject forum which should help get you more responses if you post there.
I can try look at it if you want? (Got a perfect score in the EPQ last year)
can you drop me your email if possible as i will keep giving an updated version and i haven't finished (i'm halfway through) it as i started the subject in november