If you really would like a Siamese, how about adopting a Rescue Siamese??? Here are some links to various Siamese rescue organizations in your area.

http://www.arltexas.org/reference/

http://tx.siameserescue.org/

http://www.ydr.com/pets/meezers/adopt.shtml

You'd be doing the Meezers a great service by adopting a rescue.

Good luck in your search!