I just realized that in my earlier summary of my links, I didn't even mention the most influential of all:

Astros Daily - an extremely well-run, thoughtful Astros site, with lots of great pictures, graphics, stats, message boards, and links. Ray Kerby has done a phenomenal job with this site, and it is undoubtedly the best place on the 'Net to interact with fellow Astros fans. If my site is one guy on a soapbox, AstrosDaily would be a town hall discussion and a friendly conversation at your local bar rolled into one.