Amazon.com are currently having a deal (for US residents) whereby the first 5000 customers to preorder Prometheus on Blu-Ray will receive a certificate valid for one admission up to $10 to see the movie. There’s two editions you can preorder. Either the Blu-Ray/DVD + Digital Copy for $27.99 or the Blu-Ray 3D/DVD + Digital Copy for $34.99. They’ve got some artwork there too:
Thanks to IGN for the news.