seems to have gone live. http://www.amazon.com/b/ref=dm_gw_j...pf_rd_t=101&pf_rd_p=1292123082&pf_rd_i=507846 This is a service to store your own music on Amazon cloud servers to play back over web/pc/android.
looks like it's already being discussed. http://www.stevehoffman.tv/forums/showthread.php?t=246143&highlight=cloud