A number of people in the industry agree that the first models of USB 3.0 personal computers (PC) will probably ship from Taiwanese PC manufacturers before the end of 2009.
Link: http://techon.nikkeibp.co.jp/article/HONSHI/20090629/172372/
Good stuff! 
Another article worth checking out: http://www.dailytech.com/PCs+with+USB+30+to+be+Available+Before+2010/article15582.htm