Review: AluPen for the iPad a bit too chunky
For the most part you probably won’t need to use a stylus with your iPad. However, if you’re sketching, drawing or using a handwriting-recognition app like WritePad, you will need one. Just Mobile offers the US$19.95 sculpted-from-aluminum AluPen for just that purpose.
http://www.macsimumnews.com/index.php/archive/review_alupen_for_the_ipad_a_bit_too_chunky/