Yesterday at the ShipCompliant's annual Direct Shipping and Users Conference in Napa, Mark Engel, founder of Engel Research Partners, presented the latest results in winery direct-to-consumer shipping, based on the ShipCompliant/Wines & Vines survey. In the 12 months ending April 2011, DTC sales rose 11.5% in both volume and dollar sales, reaching 2.75 million cases of wine valued at more than $1.2 billion.