Weeping Blades... worth it??

Do you think Weeping Blades are worth the 70 gc

So in the long run you get a parry a reroll of said parry and they are constantly coated in Black Lotus... or would Fighting Claw be a better over all purchase (thinking of 'Art of Silent Death' for the long haul)...

Let me answer it this way - the downside of fighting claws is that it stops you using missile weapons. Personally speaking, I prefer my assassin at the back throwing shuriken (knife-fighter skill & eagle eyes ideally) and using his much-needed leadership, such as it is, to stop the warband running away. Don't get me wrong, I'm happy to fight to the last verminkin, but the assassin is too large an investment to risk unless there are easy kills in the offing.