I recently bought my SP1000M, as soon as it is out and very happy with the sound quality, size, weight, being able to load external applications etc, but what would like to have is bluetooth receive mode. That is why I am considering trading my SP1000M for a WM1Z. It is bought in Germany, from a German dealer and still has nearly 2 years warranty. If you are interested in trading your WM1Z, or any other portable device that has bluetooth receive mode with LDAC and aptX-HD support, let me know. Cheers.