Have we given up trying to keep a count of the different types of synaesthesia?

"First cases of touch-emotion synaesthesia discovered"
by Ewen Callaway
December 18th 2008
New Scientist.
http://www.newscientist.com/article/dn16298-first-cases-of-touchemotion-synaesthesia-discovered.html

I'll bet this isn't a rare phenomenon at all.