Here`s the answer to your questions...
www.mocgb.co.uk Join the club and you can get a wealth of information on importing from members. Shows, cruises, tech etc.
SROLFY, you will find that mods are required (surprise!) for the uk and you need to look carefully at the time you register and run the GT in Vegas for tax purposes. MOCGB is your best bet, £20, worth every penny. Before you book a sea container, you might want to check out if any deals are available out of LAS on a pallett inside a -400 to LGW on the VS44.
Good luck