Linux Distributions for Librarians

For all you techy librarians, do you use any Linux distributions in your organization? Which version of Linux do you consider the best for your purposes? I’ve used the Linux Online distribution page (http://www.linux.org/dist/) to evaluate all the different offerings, and I’ve installed several. I was unhappy with RedHat, and other flavors have produced similar disappointing results and challenging installations, especially on older Celeron-based PCs. (Article Poll Inside)