ebay (via RedTagCamera) has the Panasonic Lumix GH4 for $1099.95 (compare at $1297.99) in limited quantity. Check it out while it lasts here on ebay.
Note: This is likely a gray market camera. ebay seller RedTagCamera has a positive feedback rating of 99.9% at the time of this post.
If you aren’t interested in a discounted gray market camera, B&H’s price on the Panasonic GH4 at $1297.99 is very good for a limited time at $200 off the $1497 retail price. The deal from B&H also includes a Lowepro Adventure 170 camera bag, Lexar 64GB UHS-II U3 SDXC card and spare battery, along with 4% rewards. Check out this deal of a US model with full US warranty here at B&H Photo.