Amazon has a pre-order for BF3 available for $42. It's a PC digital download.
http://www.amazon.com/Battlefield-3-Limited-Edition-Download/dp/B005Q47M56/ref=dsvrt_myd_asin_block?t=slickdeals&tag=slickdeals
http://www.amazon.com/Battlefield-3-Limited-Edition-Download/dp/B005Q47M56/ref=dsvrt_myd_asin_block?t=slickdeals&tag=slickdeals
quote:
Pre-order Battlefield 3 - Limited Edition and receive the Amazon exclusive Dog Tag Pack for multiplayer use as well as the Battlefield 3: Back to Karkand expansion pack for free.