Looks great so far, this definitely addresses major shortcomings of the last website (I.E the nav links never really worked out well)
Actually, you don't want to use percentages past a certain point because things tend to get very wide, and thus hard to read.
I think what would be to set the content background to white, and the background to be a subtle grey, this has the advantage of keeping things visually tight, instead of being a visual canyon. I think this is actually a bit of a problem for the news entries too, small things like a horizontal rule, or box around entries might make it more clear.
I would also recommend moving the page header into the content, and leaving the current header as 'trinity desktop' because the eyes skip over the header, assuming it doesn't change, it wasn't until i said 'these pages need headers" when I realized they were hidden what my mind took as the site logo, a static piece of content
Also, there are 2 home links. not sure why.