OK still fiddling away with the banners.
Here are the two latest ones:
I've distributed the banners among the various sections (Latest Post, Individual Entries ...) I've also been advised that if I choose to have multiple banners, I should "stick to a single font". Courier New seems appropriate (if you don't know why, you've obviously not used much of NCBI's site).
I agree with the comments on the previous post, about the Matrix-like theme. Of the two you have here, I tend to prefer the bottom one.
As far as the fonts go, I think that once the banner is rendered as an image, it does not matter if there are many fonts.
I like the banner on the top of your homepage. Glad you have got rid of those moving letters, they made my eyes go funny.