Forget the Falcon, it's only for small boards
GW only for downwind
Tomcat 38 or 40 for the 7.6.
Dont take too big, for example, i use a 42 on the iSonic 125 / 8.4 other 15 Knots for the same weight...
The new one, the Talon is perhaps the good choice for the small sails.
It close the GAP between Tomcat and GW