I bought a 27cm Obitsu for my Moxie Teen hybrid project, but found it that it would look very disproportioned. A LIV body works better. Still disproportioned, but quite okay (unless you shrink a Moxie Teen head in acetone, which I did lol).
P.S.: Never tried actually attaching the head to an Obitsu body btw.
Well a hybrid with a Moxie Teenz head is a possibility, I just wouldn't use an Obitsu body if I were you ;).
You might wanna check out my Flickr stream: http://www.flickr.com/photos/mmmoxygen/sets/72157626378378929/