Thank you everyone for the feedback so far!
I made some of the blue fonts much darker. Does this help for readability?
@scanman1 -- you'll notice that on smaller screens, that white space disappears, and the message covers the entire width of the screen. Try shrinking the width of your browser window. You'll see it change as it grows/shrinks.
I also just tweaked it a little so that where that white space is now shows useful information on occasion. (For example, links to related discussions.) It is also where the ads show, but they don't seem to be visible to you.
Keep the feedback coming!
Thank you everyone!