Hong Kong: Yongnuo Photographic Equipment have released the Canon E-TTL edition of their YN460-TX/RX wireless flash system. A set of one transmitter and one transmitter costs US$349.99 (about £223) from the Yongnuo store and other eBay sellers. The Nikon version is not yet available for purchase.
Please note that if you buy from the official outlet, a 12 month warranty is included. This may not necessarily be the case for all of the other online sellers.
For further information, try the following links: