B&H has a great deal on the Sony A7 Series if you are looking to upgrade to a full frame camera and trade in an older, working SLR or mirrorless camera. You will get a trade-in credit of 15% the purchase price of a Sony A7 Series model in addition to the value of the camera you are trading in.
For example, the Sony A7 with 28-70mm OSS kit lens is $1298 after instant savings and trade-in credit. Then, you will also receive the actual trade-in value of the camera you send in.
The deals applies to the Sony A7, A7R or A7S models and is valid through December 31. Check out all the details here at B&H Photo.