Seems like a nice enough handle so far. I've read into making one myself when trying to find a good project to do for this year. Have you managed to get a glow out of it yet? I know you can't make a real one that would cut someone in half, because you'd need plasma, and that only really exists in theory. Although you could create a similar effect with powerful lasers, but you'd have to be careful not to blind yourself or other people by looking straight down it.

Heh, I'm not much use in the way of helping you, but good luck!