Legit Reviews published details of Gigabyte's G1 Sniper 5 series, you can view lots of pictures of the Sniper 5 over here. There's a regular ATX model as well as the Micro-ATX G1 Sniper M5 edition.
When it comes to the gaming focused boards we were happy to see the G1.Sniper product line is still alive and well. Gigabyte will be carrying the G1.Sniper 5 and G1.Sniper M5 motherboards and these are considered fairly high-end boards with a ton of interesting features. As you can see from the image above the G1.Sniper 5 is a full sized ATX motherboard that features four PCIe x16 3.0 slots, which can be configured a number of ways since Gigabyte is using the PLX PEX8747 48-lane PCI-Express 3.0 bridge chip. This means you can run it x16/-/x16/- or x16/-/x8/x8 or x8/x8/x16/- or x8/x8/x8/x8. This means you can do 4-way NVIDIA SLI or AMD CrossFireX.
The site also got to see Gigabyte's GA-Z87X-UD4H and GA-Z87X-UD5H mobos, you can view pictures of these boards over here.