Lightning claws, no matter what pattern. Then, Frost weaponry. After that, regular power blades. Then, the shooty types. Bolters, Bolt pistols, Assault cannons, Autocannons, plasma weaponry...
Power fist for melee and flamers are nice too..... For ranged all of the bolters expect stalker. And really really like power claw if i would play ork
Chainsword on my chainsword powered by chainswords all part of a giant chainsword with a handle made of chainswords.