We're looking for a laptop to run in a 10,000', cold, occasionally wet environment, and it needs to run CentOS 5. Perhaps something like the Dell Latitude E6400 ATG? There's a reference to a minor trackball bug for the 6400 under CentOS 5 (http://bugs.centos.org/view.php?id=4192) but otherwise it sounds like the x86_64 version should run on it. Ideally the system would use a SSD too. Any suggestions?