Well I have a Momo shift knob for sale that I used for one day.
This is the one here but in yellow:
http://www.ptcruzin.co.uk/images/carbon2.jpg
Sells for $120 looking to get around $100 OBO for it. Willing to negociate the price. If you have any questions about the knob or would like to see it give me a call at 991-7453 or PM me. Thanks
Josh Chan