I got one from a China/Hong Kong based site , works like a charm .
http://www.slickgate.com/headset-for-microsoft-xbox-360_p1697.html
In case you don't know, it would took 2 weeks more or less to come to US . But it is free shipping .
The ps3 Slim is with 2 USB ports, there is not much you can do if you have to charge more than 2 electronic devices. So I am considering order a PS3 Hub which enable more USB ports . Any suggestions ?