I don't dare to think about the hardware requirements of KoE ;\) . I almost fear that it will have tougher requirements than LOMAC but maybe i am wrong and it will be more like SF or FB.

Intel Core I7-4790K @ 4x4GHz (oc'ed to 4x4,5 GHz on air)
be quiet! Dark Rock Pro 3 CPU Cooler (250W TDP)
ASUS Z97-C motherboard
ASUS STRIX-GTX970-DC2OC-4GD5
ASUS ROG Xonar Phoebus Solo Soundcard, PCIe
2 x 4GB GEIL DDR3 Value RAM
ANTEC PSU (750W)
Toshiba 37" LCD TV (1920x1080x32)
Win 7 Home Pro (64bit)
240 GB Corsair SSD (Force Series 3)
TrackIR4 Pro
HOTAS Cougar + "Uber NxT advanced" gimbal mod
SIMPED F-16 Pedals
SAITEK Throttle Quadrant
A2 leather jacket & leather gloves