DETROIT — Kia unleashed a bevy of concept vehicles based on the upcoming Soul earlier this year at the 2008 Geneva Auto Show. But wait, there's more.… The Korean automaker, an affiliate of the giant Hyundai group, says it will bring an all-new concept based on the 2010 Soul next month to the 2009 Detroit Auto Show.In addition to releasing a teaser shot of the nose, the press department will say only that the concept is 'more than just a package treatment' and that it 'will demonstrate the flexibility of the original design' first unveiled at the 2006 Detroit Auto Show.Inside Line says: Stay tuned for more details. — Paul Lienert, Correspondent