Plastic gliders..

Has to be the PW5...
Closely followed by the Genesis with the runner up being that hideaous
motor glider Rutan Designed (Solitaire).

Wooden has to be the the following Flying plank, Bijave, Any of the
Fauvel flying wings.

Tin has to be anything SGS....(232 might be the one half decent one
they made if viewed from 200ft away)

Al