Depending on your state of mind this is either the stupidest in a long line of stupid plastic attachments for your wavering wii-mote ooooorrrr if you let your inner geek out this could just be the coolest thing ever!  It would probably be a whole lot better if the Star Wars games for the Wii actually felt like you were participating in Lightsaber battles.

I think Joystiq puts it best though, “You pay $35, you put one on your wii-mote and your pretender works better!”
Thrustmaster releasing Wii Glow Saber on an unsuspecting public – Joystiq