I think your musical taste plays a big factor to the ROI.
Most budget of high $ speakers goes to improving the Bass and SPL performance. so if your favourite music doesn't contain lots of Bass and you don't need it loud (how big is your room?), then the ROI goes down the pipe very quickly.
Most budget of high $ speakers goes to improving the Bass and SPL performance. so if your favourite music doesn't contain lots of Bass and you don't need it loud (how big is your room?), then the ROI goes down the pipe very quickly.