We recently bought a Toshiba Portege A100 that doesn't have a docking station, and the supplier recommended a Toshiba USB port replicator.
It's basically a 4 port USB hub, keyboard and mouse PS/2 connecters, one serial and one LPT port.
No networking, no video, and I'm pretty certain it will need to be externally powered.
Probably not what you're looking for, but it's an option. Check it out here: http://www.dabs.com/2BMCWS