@Gwengosch Apparently the cable solution hasn't been updated by Oculus yet so it's still using the old, lower resolution of the Quest 1. If you search around on reddit r/oculus you'll see there's an option to manually set the resolution at 3600 px (can't remember the exact number so you should check) which should hopefully fix the problem.
From the sounds of it though, people have been getting better quality just by using Virtual Desktop and their home wifi network assuming you have a really fast router hooked up directly to your computer. Both of these solutions should be further optimized in the coming weeks. The much more powerful hardware on the Quest 2 promises better compression quality.
I'm still on the fence about getting a Quest 2, but with basically doubled resolution over the Rift S (3.5 mp vs. 1.8 mp) coupled with the ability to go fully wireless, it's extrememly tempting. If only I hadn't just watched The Social Dilemma (Netflix documentary) and wasn't freaked out about how we're all being brainwashed by Facebook and others (and the entire fabric of society imploding) I'd be much quicker to jump on the bandwagon. Demian Gutberlet, is it true the new Quest isn't available in Germany due to the requirement to log into a Facebook account? I've heard people have been getting them from France instead.