We'll have to wait for the benchmarks and YouTube videos. What if the new AMD cards look amazing without DLSS and have comparable framerates?
I current have a small-form-factor case with a 2080-Ti in it. As it stand, the biggest nVidia card I can put in would be the 3080. I'm curious if the 6900 XT is a two slot design, or if it's massive like the 8090 with the three slot requirement.