This is one of my favorite threads too, lots of awesome shots and it's amazing sometimes how a quick pause and screenshot later turns out to look so great and then becomes a wallpaper for a long time, I also don't edit any of them in PS.
On the Wallpaper front (unedited, full 5760x1080):

Alabeo SU26, FSX-Accl/REX2.0/Shade/ENB
And on the realism front:
PS:Not once was slew used in the taking of these screens

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HOTAS:
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TrackIR
Simpit: ETA Q2 2013
Wheel: ETA Q4 2013