Although I've run into problems with my WMP and had to roll it back to an earlier version (I now have WMP9), I have no problems burning CDs. I have a CD burner that will burn anything that's suitable for burn. Usually, CD burners will burn WMAs or MP3s depending on how you have it set up. Not all CD burners will burn videos, because not all of them have that capability. I know I don't, since I don't have a DVD-RW.