This is an old news, 2001 was the year, but it has very good perspective on citruses. It even includes recipes at the end. It discusses good reasons why new supermarket citruses often fails, and so indirectly even the best grapefruit hybrids like the Oroblancos failed in the market and why the public don't even know about them. But there is hope and suggestions how to penetrate the market niche style, and us citrus hobbyists are way above the adoption curve of The New Citruses, enjoy reading:

http://www.sfgate.com/cgi-bin/article.cgi?file=/chronicle/archive/2001/01/31/FD120291.DTL&type=food