Found these on clearance on Tire Rack, 20s are only $179 each for silver, 159 for black.... Never heard the brand though, but the design looks good.
Silver
http://www.tirerack.com/wheels/WheelCloseUpServlet?target=runWheelSearch&initialPartNumber=808545S3579SDC&wheelMake=Avarus&wheelModel=AV8&wheelFinish=Silver+Machined+w%2FClearcoat&showRear=no&autoMake=Ford&autoModel=Taurus&autoYear=2011&autoModClar=SHO&filterFinish=All&filterSize=20&filterBrand=All&filterSpecial=true&filterNew=All&filterWeight=All&sort=Brand
Black - Looks like they only have 1 black one left in stock. lol
http://www.tirerack.com/wheels/WheelCloseUpServlet?target=runWheelSearch&initialPartNumber=808545B3579BUC&wheelMake=Avarus&wheelModel=AV8&wheelFinish=Black+w%2FMachined+Undercut&showRear=no&autoMake=Ford&autoModel=Taurus&autoYear=2011&autoModClar=SHO&filterFinish=All&filterSize=20&filterBrand=All&filterSpecial=true&filterNew=All&filterWeight=All&sort=Brand
Silver
http://www.tirerack.com/wheels/WheelCloseUpServlet?target=runWheelSearch&initialPartNumber=808545S3579SDC&wheelMake=Avarus&wheelModel=AV8&wheelFinish=Silver+Machined+w%2FClearcoat&showRear=no&autoMake=Ford&autoModel=Taurus&autoYear=2011&autoModClar=SHO&filterFinish=All&filterSize=20&filterBrand=All&filterSpecial=true&filterNew=All&filterWeight=All&sort=Brand
Black - Looks like they only have 1 black one left in stock. lol
http://www.tirerack.com/wheels/WheelCloseUpServlet?target=runWheelSearch&initialPartNumber=808545B3579BUC&wheelMake=Avarus&wheelModel=AV8&wheelFinish=Black+w%2FMachined+Undercut&showRear=no&autoMake=Ford&autoModel=Taurus&autoYear=2011&autoModClar=SHO&filterFinish=All&filterSize=20&filterBrand=All&filterSpecial=true&filterNew=All&filterWeight=All&sort=Brand