40 users (20 Leopard, 16 Snow Leopard, 2 Win7, 2XP), just need basic file serving. I know there's more storage bang for the buck with the NAS but I worry about AFP performance and permissions on ...

Haven't bought a Mac-Mini before, so I have a few questions about them... Are the Mac Mini's user-serviceable (basic things like adding an HD and/or RAM)? The Mac-Mini server has the option for two ...