Wow, that is quite nice. A couple things I would look at. First, I completely agree with what ChristopherSD said. Second, maybe try to blend the left side background, the upper bar background (the bar with the FIRST logo on it), and the top-most bar on the site. That kinda stood out to me. You could also add a little more complexity behind the text (a very slight gradient?) to help keep it simple but also visually interesting. Third, at the bottom, I would also recommend blending the border between the footer and the navigation links a little more.
Otherwise, I really do like the site. It is very clean, not overwhelming, and quite professional.
