Where Can I Find 5438 Size 12-14 For Less?

I tried on David`s Bridal #5438 (Oleg Cassini) in size 12-14 and fell in love with it. Does anyone know where I can find it cheaper than $900 - or have one they have used that they are willing to sell for less? I am getting married in 10-2004.
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Posted by Dara; updated 02/04/04