I'm looking for a USB-powered 4 or 5-port 1000Base-T hub or switch (yes, I know 802.3ab doesn't spec hubs). The new Buffalo is probably a good quality unit, but has only 3 ports and more importantly ...

Has anyone used this USB-powered ethernet switch? I've been looking for something like this, and it is the only one I can find that is USB powered. I travel a lot and I don't want to carry around ...