Heroes 5 Wardancer's sword
(http://img132.imageshack.us/img132/7668/sylvanwardancersbladehl9.png) (http://www.imagehosting.com/)
Slaanesh Champion's sword
(http://img132.imageshack.us/img132/7788/slaaneshchampionsswordmj4.png) (http://www.imagehosting.com/)
Warhammer Fire sword
(http://img132.imageshack.us/img132/3406/fireswordrf5.png) (http://www.imagehosting.com/)
I guess none of these will satisfy you but I gave a shot.
EDIT: I've got much more and I guess I've got Katana somewhere but not in high quality but I could try. Maybe...