Correction...I had thought that they set a layer for WMV....sorry....
WMA only...
``2.9 Which devices support Windows Media DRM?
Microsoft has announced support for the following portable device companies:, Casio, Cirrus Logic, Creative, CVC Networks, Diamond, Digisette, DnC Tech, e.Digital, Hewlett Packard (Compaq), Hitachi, I-Jam, Iomega, Intel, MIPS Technologies , Nike, NTT DoCoMo, Olumpus, Panasonic, Sanyo, Sensory Science, Sigmatel, Sonic Blue, Sony, Texas Instruments, and Thomson/RCA. Leading chip manufacturers have made Windows Media Format (with the Windows Media Audio codec and Windows Media Rights Manager) the most widely supported non-MP3 format.``
doni