I also get horizontal scrolling under about 700 pixels wide (eyeballed). However, more and more, I think people are settling on 800x600 as the resolution of choice to design for...

One thing that might help is left aligning the reply button instead of right aligned as it is now. With a page that wraps off the screen, you have to "search" around to figure out how to reply.

Still, the single biggeset thing I see that would fix a lot of these problems is to break up the messages into individual tables.

Dan