A Napa Valley rarity, they have free tastings here. I went all the way to Anderson Valley and most of those places still charge $5. And it's not like Heitz is pouring low-priced wine. I tasted an $80 cab that was four years out of vintage which was a joy to drink. They also sell a decades worth of library vintages from both Trailside and Martha's Vineyards. If $75 to $150 cabs are too much, then pick-up a balanced bottle of Sauvignon Blanc for $20.