Here is another link to Nikki's case and the importance it has in the US.
http://www.youtube.com/watch?v=jYY0GTmh7WY
Members here, especially from the US in general and Texas in particular may want to check the link to find out the full implications of this case. The condensed version of this link is that a judge will determine if transsexuals, be they m2f or f2m, will be allowed to legally identify as the sex they have transitioned to or are in the process of transitioning to.