Section 9--110. Security Interests Arising Under Article 2 or 2-A. A  security  interest arising under Section 2--401, 2--505, 2--711(3),  or 2-A-508(5) is subject to this  article.  However,  until  the  debtor  obtains possession of the goods: (1) the security  interest  is  enforceable,  even  if  Section 9--203(b)(3) has not been satisfied; (2) filing is not required to perfect the security interest; (3) the rights of the secured party after default by  the  debtor are governed by Article 2 or 2-A; and (4) the security  interest  has  priority  over  a  conflicting security interest created by the debtor.