X360key team released some news, let's take a look
Development Update: xK3y running XGD3 game - Gears of War 3
Posted on September 20th 2011 Gears of War 3 confirmed running on xK3y.
No AP25 ISO patching needed.
Development Update: Slim Liteon 1071 drives now supported
Posted on September 20th 2011 Slim Liteon 1071 drives are now supported
x360Key - Now Booting XGD3 and AP2.5
What you see is this:
xK3y Beta HW @ FPGA 8035 & app: 01.02
Xbox 360 Slim 4GB @ 13599 dashboard with DG16D4S liteON
Western Digital USB HDD (1,5TB)
X360key goes online