I believe it was apo that made it crash, a left it to go to bed with some large calculations going on, the next morning I couldn't get into windows. I've since reformatred my hard disk to ntfs to take larger files.
Thanks for your compliments. I hope to see you post work for the current competition.
Checkout mine http://www.minispace.com/en_us/people/profile/neil_duerden/
Please vote if you like it :)