I have finally cured my front end nocking.
I must be the most unlucky person in the world as it turned out to be both my banana arm bush and drop links.
Superpro banana arm bush from CS, (this is an awesome 'mod' btw as the increased caster feels really different) and whiteline drop links from tarmac also well worth while if you want to change your ARB later on. All fitted on my drive way.