LOL okay okay, just no reason to explain what you already knew, but here's a brief crash course:
Anti-Aliasing: Removes jagged edges; mostly visible on slanted lines - looks like small ladders without it. Different methods and levels, with varying impacts on image quality and frame rate.
Anisotropic filtering: Level of this determines how far things are rendered sharply. Low levels has only stuff near you sharp, while more distant things are blurred. Highest level has stuff sharp right to the horizon. Little impact on frame rate with modern video cards, so no reason not to use the highest level.
You can set the level of Anti-Aliasing with GTL config (but not the method). Normally you specify it as 2x, 4x, 8x etc, but GTL Config calls it 'Level 1' to 'Level 6'. You can also set it in the 3D settings for your video card, overruling GTL's own settings. I ended up doing that yesterday. Anisotropic filtering has to be set in the 3D settings for your card, again overruling GTL (where there's no option to set it)
You mentioned a 1080 card, so I assume it's Nvidia based. Mine's AMD, so I can't tell you exactly where to change the settings, but expect you to be able to change the same things as me. Maybe someone with Nvidia hardware can advise on where/how ?
I believe your card is faster than mine, so you shouldn't have problems with the settings I use.
Here's what I did: First changed Anti-Aliasing (AA) method from Multisampling to Supersampling. With earlier video cards, Supersampling had too high an impact on frame rate, but with my present one, frame rate dropped from 'ridiculously high' to 'slightly less ridiculously high', so not a problem. Removed some of the shimmer, but not all.
Had level of AA set to 'Level 3' in GTL config. Upped it to 6. Frame rate took a hit, and shimmer looked worse! Lowered it to 1. Frame rate got a boost, and shimmer looked a little better, but still present.
Next tried changing AA level in the 3D settings for my card instead, overruling GTL. Options are 2x, 2xEQ, 4x, 4xEQ, 8x, 8xEQ. Went straight to 8xEQ, but that was too much; removed the shimmer, but frame rate started to stutter. 4xEQ had ok frame rate, but still some shimmer. 8x proved the sweet spot: all shimmer gone, but still very smooth frame rate.
Hope it makes sense; otherwise just ask (Would be a shame not to get the most from your new rig)