Scooba as you are in Sussex,I would recommend DMS (Based in Totton, Southampton, which is actually in Hants)
or E-maps.
I'm sure either would answer all your questions and give good advice
speak to Mike Cooper: DMS:
http://www.dmsautomotive.com/
Or Simon:
http://www.e-maps.co.uk/
Or if you are minted stick with Bird's