USA 3 pin to Euro Schuko mains adapters

Can anyone tell me where I can buy a very good quality USA 3 pin style (in)to Euro schuko (out)mains adapters for HI-Fi use?.

Thanks n advance.
Systems & Magic have excellent products. In Europe an adapter costs 20 EUR.
Here is their website
(Unfortunately, they appear to have formating problems with their site, presently, so there are no pictures.)
Their US distributor is Nuforce Inc.