I'd like to see some medieval types, still- so you can skin a weapon to your liking, but I like the overall design of the Abyss weapons. The glowies are very cool, but I agree you NEED to be able to change the rainbow pulsing to one steady color of your choosing. What would be even cooler is if you could choose from a color wheel to make your own unique shade. I can't imagine it would be very hard since those kinds of things are usually in Character Creation and unique to every individual anyway.
Like so:
