http://www.350z-uk.com/forum/20-meets-shows-and-events/ Keep an eye out for posts by choptop for your area, I think there's a SW meet at Salisbury 29th September.
That has happened before, check out Eurocarparts for batteries if it turns out to be faulty, you'll get a decent brand for a decent price and they generally carry good stock levels Hope you get it sorted
Not again? My thoughts always revolve around the guys and girls on here who work out there when this happens. Unfortunately it seems some have lost their lives this time, why does this seem to happen so regularly? My thoughts go out to all the families of those whose are missing.