The current Mac mini does have Firewire and USB, so the iPod can be connected that way. According to the rumor, the new Mac mini will have a built-in iPod docking station which will be a little more convenient.
(Denny Crane: "I Don't Want To Socialize With A Pinko Liberal Democrat Commie.Say What You Like About Republicans. We Stick To Our Convictions. Even When We Know We're Dead Wrong.")