I recently purchased a Dell Vostro 1000
and, I haven't had any problems with it, yet.
However, I run Debian, which required a bit of extra work. One thing to note: When I hear "RedHat" I think of the RedHat Linux that finished off at version 9, before becoming Fedora. If you're using RedHat Enterprise, please refer to the distro as "RHEL [version#]