You said that the cd booted but got stuck when it got to "udev". I have had that same problem occasionally with a live cd. If you press the "Esc" key, at any time during boot, it will show you exactly what it is doing during boot up instead of just "setting up udev" or whatever. You might see some error messages or something useful. To solve this problem, I just rebooted the computer and tried again and it worked. Also, I'm not sure if this is related, but make sure you don't have any usb storage media plugged into your computer when you are trying to boot the live cd. There was a usb drive plugged into my computer when I had the problem and when I unplugged and rebooted it, everything went fine. Again, I am not completely sure that that was the problem.