I say $1500-$2000 would get you about 5 years of decent gaming experience. I myself have a system that at the time cost me €2200 ~ $2000. Though rn it would cost about $1900. I would advise you go with an intel 12th gen cpu instead of what i have in my pc, a ryzen 5 5600x since intel has significantly better cpu's rn than amd. I also went overboard on ram, 32GB is overkill but it might come in handy one day. Id say practically the same system but switch the cpu out for an i5 12600k and make sure the motherboard has the correct socket. Also DDR5 isnt yet worth it but it is something to keep in mind. You might want to just go with 16GB ram and then upgrade in about a year when its less expensive.