First, I want to congratulate the ISPConfig team. I LOVE it!! I have a new machine with an Athlon64 X2; I want to setup an ISPConfig-based server that's optimized for it (64bits dual-core support, esp. with MySQL). And I need PHP5 with mbstring and gd2. Which of the distributions presented in the howtos (Suse, Ubuntu, Mandriva...) would you advise me? What about Gentoo (I've heard it's good with AMD64)?