WaterStick...
I haven't paddled with a Waterstick Karma but I love the power of the blade design. I paddle with the Waterstick Zen.
After paddling with a Waterstick, the power drop off is VERY distinct when I try someone else's paddle.
Also, the Zen is so light, everyone comments on it, even if they are just loading paddles for a shuttle.
Plus... it looks pertie for the camera.
-Dan
(To Yonder... I paddled most of last summer with a Zen and didn't have any delam issues. I have heard that some older versions of the paddles may not have been as durable at the tips, but I am also using the all carbon Zen. )