Can't beat traditional pen and paper can you? what if I just wanna quickly write something down, rip the page out and hand it to somebody? Regardless of how great the iPad is with the pencil it still won't beat the real stuff.
There is also this leeds case that I have because my company gives them as handouts with our logo on it - but it looks like you can buy it un-costomized (blank) http://www.pcna.com/leeds/en-us/product/8150-28_reg