Dead or Alive

Alto Games - http://www.altogames.com/d/dead-or-alive/index.html
Offers thumbnailed wallpapers of the characters.

At Pictures - http://www.atpictures.com/deadoralive/
Featuring renderings of the characters and a collection of art.

Dead or Alive - http://www.epinions.com/game-Titles-Consoles-SonyPlaystation-All-Dead_Or_Alive
Consumer reviews.

Neoseeker: Dead or Alive - http://www.neoseeker.com/Games/Products/PSX/doa/
Offers frequently asked questions, links, and a discussion board.