I saw these a while back.... expensive, but cool
http://chapterhousestudios.com/websh...id=24&vmcchk=1
Easy to make, too:
http://galaxyinflames.blogspot.com/2...-tutorial.html
http://forums.tauonline.org/conversi...lasma-gun.html
I think that last one would look better if the Plasma porion was taller.