New Zealand's second largest Nobilo Wine Group is planning to invest over NZ$100m over the next six years in an effort to more than treble the company's production, the New Zealand Herald reported today.   In a meeting with customers and suppliers, managing director Brian Vieceli said Nobilo, expected to crush 18,000 tonnes by 2008, or 1.5m cases, compared to 9,500 tonnes this year.