After fighting with Debian Lenny for months over the Gateway's screen-refresh problems (which basically render much of that screen unreadable after a half-hour or so of use), I finally decided that I couldn't stick with the Testing branch of my favorite Linux distro on its road to becoming Stable.
Read it here
As it stands right now, I'm going to stick with CentOS 5.2, and as much as I don't want to do it, I need to drop Ubuntu 8.04. I love Ubuntu its philosophy and package mix, if not its brown color scheme. But I can't deal with the random freezes (after which ctrl-alt-backspace and ctrl-alt-delete are useless and only a hard reboot will work).