Hi Kaptlt.Endrass,
I can highly recommend M.E.P v6 (ManosEnvironmentPro -version6):
http://www.subsim.com/radioroom/showthread.php?t=229333
It increases the atmosphere to 20km, looks great and works great with GWX. Included with the mod are also the correct visual sensor files for GWX compatability.
And here's a good one for the 1920x1080 GUI:
http://www.subsim.com/radioroom/showthread.php?t=232178
Good luck!