I have Monitor Audio PL200 (had Silver 5i, RX6, and GX200) and find them to be a fantastic product. That said, I have also been recently impressed with the Focal Aria floor standers.
If the Mac has a pre out, you could keep it (use as a pre, of course) and buy a used Pass X250 or X150.5 and have a KILLER set-up, under-budget.
If the Mac has a pre out, you could keep it (use as a pre, of course) and buy a used Pass X250 or X150.5 and have a KILLER set-up, under-budget.