I see that Wacom has a wide selection of pen nibs for sale. One is the "felt" nib which I would love to try. Can we replace the hard plastic nib on our Surface pen? Amazon.com: Intuos 4 Hard Felt Nibs 5 pk: Computers & Accessories <<< Don't buy these they do not fit. The nibs for the Bamboo Feel are supposed to fit. P.S., I honestly wonder why MS defaulted to the hard plastic nibs as that seems to be the most slippery on glass?