well i dunno wether they're cult or not but...

onibaba by kaneto shindo (1965)

http://www.amazon.com/exec/obidos/tg/detail/-/0780019172/002-5626038-7820818?vi=glance

(not ad just reviews)

chungking express by wong kar-wai (1994) (and his other films)

zu, Warriors from the magic Mountain by tsui hark (1983)

body double by brian de palma (could look out of place in this asian selection but no ;-)

charisma by kyoshi kurosawa

sonatine by takeshi kitano

versus by ryuhei kitamura (for the first 30 minutes - a must see)

and all films by hayao miyazaki

as to BR 2 youcan get the trailer here (need windows media player) : http://homerchris.free.fr/espacecinephile/BattleRoyale2Trailer.zip

and if you feel like it :  kitano takeshi's zatoichi trailer  (9 meg in quicktime) :

http://office-kitano.co.jp/zatoichi/qt_large.html

jp