Boeing and SAAB Look to offer Gripen for USAF's T-X Program

Entire story Here: http://www.aviationweek.com/Article.aspx?id=/article-xml/awx_09_11_2013_p0-615489.xml

Is this a good idea? I see the Gripen as an overkill for a pure trainer..and i do not see how it comes out cheaper than the Hawk both upfront and in the long run..