Noesis Interactive has released its first products in its MOD YOUR WORLD DVD training series, officially licensed by Valve and Softimage, and recorded in both Spanish and English.
a free demo can be dowloaded from filefront:
Disc one covers modeling in XSI
Disc two covers putting characters into Half Life 2
check out the trailer on youtube
and for a free facemapping tutorial and character downloads, and more information please check out