The Aero's aspheric lenses mean no godrays which i noticed immediately with the Quest, so there's that. The Aero it does have a bigger sweetspot yeah, it's about 75% of the display. But it has a smaller binocular overlap, which means some people don't quite get the 3D effect as much as they do with other headsets and some people (including myself) could see a little bit of the middle black piece that divides the lenses, not good for immersion. The Quest binocular overlap is very good, has good 3D effect, and no seeing the black dividing piece between the lenses.
Yeah I would say a Quest 2, using link cable with some settings tweaking is 80% (or not far off) as good as the Aero display wise. I'm judging that on my fave vr experience which is msfs, the cockpit (nearby) clarity etc isn't far away at all from the Aero, but things at distance are noticeably more blurry. When i 1st tried the Quest using Air Link with stock settings it looked bad and i thought omg to myself but with using link cable and tweaks it's now acceptable.
tl;dr The Aero is impressive but i've not suffered too much by "downgrading" to a Quest 2. I've saved a packet and it's nice having audio. Roll on GTA San Andreas