I used the Cougar knob. Got it from the Ford dealer for around 50 bucks. Looks nice and works with the reverse lock out. There are some pictures of the knob installed in this post.
http://www.contour.org/ubbthreads/showflat.php?Cat=&Board=aesthetics&Number=807467&Forum=aesthetics&Words=cougar%20shift&Match=Entire%20Phrase&Searchpage=0&Limit=25&Old=allposts&Main=807447&Search=true#Post807467

1998 SVT. Silver Frost. #4076 of 6535. SOLD! http://www.cardomain.com/ride/2143175