To mark English Wine Week, MATTHEW JUKES picks his favourite home-grown fizzes, including 1996 Nyetimber Blanc de Blancs (19; selected Waitrose); 2001 RidgeView Bloomsbury Cuve Merret (14.99; Waitrose); and 2002 Camel Valley 'Cornwall' Brut (14.9916.75; selected Waitrose, Wadebridge Wines).