I know the Diamondback Viper is old detriot news but interesting if a variation will go into production. Short article but thought worth sharing...
http://www.autoweek.com/apps/pbcs.dll/article?AID=/20060606/FREE/60605031/1065
http://www.autoweek.com/apps/pbcs.dll/article?AID=/20060606/FREE/60605031/1065