If you are looking for a USB Wall Charger....

Take a look at this one:
http://portablepowersupplies.co.uk/usbwallcharger.htm
I ordered one and am very happy with it, particularly because it has a high (maximum) current output and can charge 2 devices at the same time.
Btw, it is for UK wall sockets, so you may need an adaptor, but these are easily available and cost no more than around Euro 5,-