More host problems, trying SoundCloud

It looks like the Bassdrive archives where I usually host these mixes is down again until further notice. I have no complaints though, the service when available is blindingly fast and of course I don't have to pay anything for it! (thanks Brad) So, while Bassdrive explores some alternative solutions (like torrents I'm told) I'm also trying out a back-up service for hosting called SoundCloud. I have updated the last three mixes on this feed with the new hosting URL but it seems iTunes does not pick them up as valid media links...if anyone has any other recommendations for a good iTunes compatible host please let me know!