https://pcpartpicker.com/list/jq2Pq4 I downgraded the cpu and took off the cooler as u can just use the stock cooler, it is now $1200, if you want you can get a $30-50 cooler. I don't know much about the 1660ti, but since you want to play at 1440p I recommend the 2070 or a 1080/1080ti.