Adorama is running another Trade-In Promotion good until 10/31/15. You trade-in one digital interchangeable-lens camera or lens, and receive a trade-in bonus of up to $250, in addition to the trade-in value of your gear. The trade-in bonus can be used towards the purchase of a new Sony a7 series digital camera or full frame E-mount.
Per the short instructions there, you fill in the short form on their website. Then they give you a trade-in code. You use that towards the purchase the a7 series camera or FF E-mount lens of your choice. In parallel, you send them your old camera/lens you agreed to trade-in.