Official Download Link:

Wasabi 360 Ultra Firmware v1.2 stable
(includes AP25 topology data for all dashboard versions up to 2.0.16203.0)

Wasabi 360 Ultra Firmware v1.3 BETA 2
(includes AP25 topology data for all dashboard versions up to 2.0.16203.0)

Wasabi 360 Ultra DVDMenu Tool v0.1

Wasabi 360 Ultra User Guide v1.3-0
( SLIM and PHAT )

Wasabi 360 Ultra User Guide v1.3-0 - Italian
( SLIM and PHAT )
 

Wasabi 360 Ultra 360S (Xbox 360 Slim) Installation Guide v1.0

Wasabi 360 Ultra 360 (Xbox 360 Phat) Installation Guide v1.2

Wasabi 360 Ultra 360S (Xbox 360 Slim) Installation Guide v1.0 - German
(Hoax from 360hacks.de)

Wasabi 360 Ultra 360S (Xbox 360 Slim) Installation Guide v1.0 - Italian
(diesel701 from xboxlandia.com)

Wasabi 360 Ultra 360S (Xbox 360 Slim) Installation Guide v1.0 - Spanish
(c0d3m4st4 from elotrolado.net)

External Link:

Wasabi 360 Ultra User Guide - Danish
(www.ck-forum.dk)
 

Wasabi 360 Ultra User Guide - French
(www.trouble-clic.com)
 

Wasabi 360 Ultra User Guide - Korean
(www.finalfantasia.com)
 

Wasabi 360 Ultra 360S (Xbox 360 Slim) Installation Guide - French
(www.xavbox360.com)
 

Wasabi 360 Ultra 360S (Xbox 360 Slim) Installation Guide - French
(www.trouble-clic.com)
 

Wasabi 360 Ultra 360S (Xbox 360 Slim) Installation Guide - Korean
(www.finalfantasia.com)
 

Wasabi 360 Ultra Installation and Configuration Guide - Italian
(www.console-inf.com)
 

Complete Guide To Disassemble The Xbox 360 (Slim) - French
(www.trouble-clic.com)
 

Ultimate Wasabi 360 (Slim) User Guide - German
(www.modcontrol.com)
 

Wasabi 360 Ultra (Phat) Installation Guide - Spanish
(Realizada por el_ssbb_boy)
 

Wasabi 360 Ultra (Phat) -Video- Installation Guide - Spanish
(Realizada por Peter Rguez)