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Choices for reds seem far more extensive than for whites. Israel, which has a dynamic young wine industry, now makes a fine range of reds, most of which are kosher. Good kosher reds are available from many historic wine regions in France and Italy, too, and from California. For my money, the best intersection of price and quality came from Spain, a lovely, spicy, earthy Montsant from Celler de Capçanes for $20.
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Celler de Capçanes Montsant Peraj Petita 2010
$20
This wine from the Montsant, a Catalonian region in northeastern Spain, is made mostly of garnacha, or grenache, with some carignan and tempranillo. It’s lively and lightly tannic, with lovely, spicy, earthy flavors. (Royal Wine)
Full text: http://www.nytimes.com/2013/03/20/dining/reviews/kosher-wines-for-the-seder-table.html