The Japanese version, NW-X1060 will be out next week. Pre-order details at Amazon.co.jp which includes both black and red versions, plus an aluminium version exclusive to Sony Style Japan. The NW version is rumoured to have both Sonicstage and UMS transfer technology (Sonicstage for Atrac3 files, UMS for drag and dropping MP3 files).
The UK release of the NWZ-X1000 series is next month. No additional colours has been announced yet. The 32GB X1060 is available for pre-order for £249.99 and the 16GB X1050 for £199.99.