If I didn't have the 3080 than I wouldn't have sprung for a 4k! But I knew when I bought the 3080 that I eventually wanted to shift fully into PC Gaming. Hell, about a month back I even sold my PS4 PRO because I stopped playing it xD.
The monitor will be good to as I'm going to be moving into one of my brothers apartments for the summer while I take a course, so it'll stop me from having to lug my 60 inch tv with me xD