Buffalo offers this interesting 4-port USB hub that comes with an on/off switch for each of the 4 USB ports. You can also find LED idicator for each ports. The hub supports both USB 1.1 and USB 2.0. It works on both Windows PC and Mac. It is available in four colors, White, Black, Silver and Red.
The Buffalo BSH4A02 is priced at 3700 Yen.