Avoid like the plague, the card is unable to retain data above a certain address, leaving half the storage unusable until a re-format.
I've been round the loop 3 times, this time only attempting mp3 and winamp, same problem, it becomes corrupt, leaving zero length files.
I've just sent a rather curt email to the vendor, we'll see what happens...
Yesterday was Belkin heaven, today is SanDisk hell, oh well swings and roundabouts...