So you were ripped off by them how? Here's what I found.....
"You need enter only once per day by accessing the web site and following the Sweepstakes directions. Entries must be received and recorded by Sponsor's computer by 11:59:59pm May 7, 2009(EST). Any other attempt at Internet or email entry is void. You may earn additional chances to win by making purchases or by creating and saving a “Wish List” or by “Referring a friend”. Enter daily to increase your chances of winning the Daily Prize. Limit one entry per address per day."
"No responsibility is assumed for lost, late, incomplete, stolen, misdirected, or illegible entries or email; or for any computer, telephone, cable, network, electronic or Internet hardware or software malfunctions, failures, connections, availability or garbled or jumbled transmissions, service provider/Internet/web site/use net accessibility or availability, traffic congestion, or technical failures, or unauthorized human intervention, or the incorrect or inaccurate capture of entry or other information, or the failure to capture any such information. "
It's always possible that the entry didn't reach them. If their mail servers were being flooded with entries than that is most likely what happened.