JOANNA SIMON was also at the masterclass, and recommends three screwcapped wines, on the basis that 'I have never had a corked screwcap wine'. They are: 2003 Tim Smith GMS Grenache/Mataro/Shiraz (14.99; Oz Wines); 2003 Arrogant Frog Ribet White (5.99; Unwins); and 2003 Nobilo Regional Collection Sauvignon Blanc (6.99; widely available).