I'm not quite as optimistic. This guy has not ran incredibly well over the course of two seasons, and clearly has an attitude that both the coaching staff and his teammates have noticed. The job was supposed to be his last August, but he simply played too poorly to garner more touches. There's a reason that even as a #4 pick in the draft, he couldn't manage to beat out Thomas Jones, who is not one of the league's premier backs talent-wise.
Additionally, Adrian Peterson was quite impressive in 2005, boasting a 5.1 YPC average. He's not just going to fade away into special teams. The coaching staff showed their lack of satisfaction with Benson by drafting Garrett Wolfe in the draft this year, who should factor in as a legitimate 3rd down option. Additionally, Chicago was involved heavily in trade talks for Chris Brown, which also reveals their confidence in Benson.
And lastly, Rex Grossman is still one of the worse QB's in the league, and as long as that continues, defenses will put 8 or 9 in the box and beg Grossman to throw.
The more you can increase fear of drugs and crime, welfare mothers, immigrants and aliens, the more you control all the people. -Noam Chomsky