Amazon has the Kensington SD100 Notebook Docking Station, model no. K33419US, for $5.34 (45.34 – 40 MIR) with Free Shipping for a limited time. The $40 mail-in rebate is good till June 30, 2010.

This station provides one plug access to all your peripherals (keyboard, mouse, etc.). No more digging around the desk, looking for unobstructed outlets any time you move your laptop. With the Kensington sd100 Notebook Docking Station, you can connect multiple peripherals to your notebook with just one plug. Plus you never have to shut down your notebook to connect the dock or change peripherals. Designed with a unique wedge shape to raise your notebook and help promote cooling. The sd100 offers five nicely spaced USB 2.0 ports to allow you to connect multiple USB devices such as a printer, external hard drive, or ipod to your notebook computer. The USB ports are always-on, meaning they are powered even when your notebook is turned off or disconnected, so you can charge your iPod or Smartphone even when you’re not working. Kensington limited 18 month warranty.