Hi - please see Thread 149133
for a link to my first GreaseMonkey script. It moves the comment box from below the board to the right side of the board, and expands it so you can see much longer comments without scrolling.
It is still a work in progress; for example, showing the game headers with another viewer too close by will screw up a layout and cause overlaps. Hopefully, other than that, it will work smoothly.
See http://oi50.tinypic.com/qzlk0g.jpg for an example of how the side comments look.