FYI in case anyone finds this post while searching for info. Here is a reply from Wacom regarding my request for a source for NIBs. The link does not work, but at least he replied promptly with info.

Gary

EDIT: He just sent me a working link:

Here is another link to those pen nibs. Please feel free to call our customer service department with any further questions:

http://direct.wacom.com/stores/2/Pen_nibs_5_-_see_System_Requ_P616C27.cfm

Wacom Direct sells a variety of pen nibs; standard, felt, and stroke. The most commonly used nib style is the standard nib which is white in color. Here is a direct link to those nibs:

http://wacomdirect.wacom.com/wacomdirect/product.asp?dept%5Fid=195&sku=PSIA007

Please feel free to call our customer service center with any further questions.

Thanks,

Pablo Caceres

Wacom Customer Service

1-800-922-6613 opt 5