A few months ago I decided to try and build my own. Most of it is made of parts you can find at any hardware store. The blade I bought online from www.beingseen.com.
I did some work on the blade to improve it's looks from the way it was shipped to me.
It's not done yet, but take a looky:
(Sorry for the grainy pictures
Building your own allows you to use your imagination and create a Uniquely You (tm) kind-of-a saber.