FC3 Nautilus not allowing right click "Write to CD" on X86_64 on iso files

[Jerone Young <jerone@xxxxxxxxx>]

Hey I've noticed this on X86_64 FC3, but when you right click on a
file ....such as boot.iso (the fedora network boot iso), you see in
the "Write to CD" for about half a second then it disappears. I seem
to only see this only X86_64.  Anybody know why. I love this feature!