It's 20-odd years since Gerhard and Brigitte Pittnauer took over the winery in Gols near Lake Neusiedl in Burgenland, bordering Hungary at the eastern edge of Austria. Over that time they've pushed the boundaries of Austrian red winemaking, in particular with St Laurent and Zweigelt. But then there's the Blaufränkisch and - have you ever tried Burgenland Pinot Noir? You absolutely must.