Looking For Prom Dress Style 5728 Or P3110

Im looking for a prom dress for a senior high school event on may 10th 2008. Im willing to buy used if in good condition but im looking for style # 5728 in creme yellow or watermelon and style # P3110 in brown and aqua in size 7 to 9 there both designed by Mori Lee but there the 2007 line so I`m having trouble finding them. If anyone has one of these dresses that there willing to sell or knows where i can find one please let me know.
Thanks a Bunch !!!