call Paul B at need2insure he does alot of the ford scene and insured my S1 for £185 a year fully comp on a classic.
He does all sorts of policies and owns two S1's himslef so is well worth a chat as he knows his stuff and is a sound guy.
He is also a regualr on
www.seriesoneturbo.co.uk look in the trade section, it's a must site for S1 owners!
ps that car looks extremely nice - we need more pictures!!