If you convert the FX to use a Luxeon LED then you can remove the blade at will, yet it still has lights and sound. That's what I've done with my FXs and I think it's better than spending loads of money on the LEs. No, the material isn't quite as nice, and the older ones in particular are oversized, but for ROTS Anakin, ESB Vader, and Darth Maul it works very well. I'm under the impression that the new ANH Vader and ANH Luke are much more accurately sized so those should also work rather well.