See: https://bugzilla.redhat.com/show_bug.cgi?id=565693
Computer without floppy drive are quite common. If the floppy controller is enable in BIOS (which is often the default configuration), anaconda hangs during the "Finding storage devices" stage.
I don't see this bug is a blocker for the release, probably should be.
Remi.
P.S. I don't think I'm a noob, but I have to search for this issue...