Great effort Si and a brave decision to stop when you did. I've been looks forward to reading this since you mentioned you were doing it a while back and it dint disappoint, a great read.
Hmmmm, 2015? Very very tempted! This for me is the one I want to do and a year of training to see if I have it in me to drop some weight and improve the climbing before committing would be sensible. Would it be cheeky to ask how much it cost all in, we are thinking of tying it into a family holiday.