Looks like Kumho will be adding one more UHPAS tire to their lineup, in addition to the Ecsta 4X:
http://www.tirereview.com/Article/10..._benefits.aspx
".....................The company will roll out two new products – the Kumho Sense KR26 all-season touring tire and a still-to-be-named new Ecsta all-season UHP tire
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the new Ecsta AST, slated for release in the third quarter of 2013, will come in 27 V speed rated sizes ranging from 15- to 18-inch wheel diameters. With a UTQG rating of 560 AA, the tire will carry a 55,000-mile limited treadwear warranty.
The yet-to-be-named tire, which will be marketed to sports cars and sporty sedans, is a “well-rounded tire that excels in all-season traction, wet and dry handling and long mileage,” Mosby said, adding it also offers impressive snow braking, handling and acceleration......................."