Check the Samurai Helmets post on Kynosarges Weblog to see a very cool collection:
Helmet 1
Helmet 2
Helmet 3
Helmet 4
Helmet 5
Helmet 6
Helmet 7
Helmet 8
Helmet 9
Helmet 10
Helmet 11
Helmet 12
Helmet 13
Helmet 14
Helmet 15
Helmet 16
Helmet 17
Helmet 18
Helmet 19
Helmet 20
Helmet 21
Helmet 22
Helmet 23
Helmet 24