Tiger's owners willing to try new materials on their boat are invited to have a look at:
for a "radical" (even if not very cheap) rudder blade:
http://www.proust-sailing.com/formule-accessoires-213/2810-safran-carbone-pour-hobie.html
for a quite "different" daggerboard:
http://www.socoabeach.com/Designteam.php
for a new larger and lighter snuffer head:
http://news.proust-sailing.com/2006/11/26/nouveautes-hobie-cat-tiger-2007/