I know that I'm in the minority when I say swords > lightsabers but I really think there needs to be more variety in the vibroblade department. I really liked the look of the classic vibroblades that were added into the game, especially the unsheathing animations and how the blades extend, really sick looking for a sith assassin player.
Maybe a "force imbued swords" that look like a cross between a vibroblade and a katana.
http://starwars.wikia.com/wiki/Force-imbued_blade
I could totally see something like this being in the game.