A port replicator is sort of a smaller, reduced Docking Station. It allows me to use a real montor (20" LCD), a real keyboard, and a real mouse. All are left plugged into the Port Replicator, and all I have to do is snap in the laptop and push the power button.
They also make USB versions of the Magellan. For Mobile Users there is a product called the Space Traveler which is a smaller version of the Magellan. For Power Users, there is a new product called the Space Pilot. It looks pretty cool. I can't wait to try one.
For those who haven't tried one of these devices yet, they are well worth the money. Tell your boss that if it only saves you 5 minutes a day, it will pay for itself in increased productivity within 2 weeks.