Two items:

Time-limited (read "Not Up For Too Much Longer")

http://members3.jcom.home.ne.jp/mowais/index.html#latest

ArmSuit

and

Limited-distribution (name and email must be sent to creator, in order to receive password and download link):

http://aziqotiyuso.blog.fc2.com/blog-entry-101.html

Punk-rock type M3 clothing set

(I am flagging for nudity because Aziqo's webpages sometimes do contain explicit content)

Eternal Hobbyist