Saving $66 on a new 180Hz monitor isn't too shabby, and if you're keen on a Samsung model, the company's OLED G5 could be exactly what you need for QHD ...
Samsung’s new Odyssey OLED G61SH gaming monitor offers a 27-inch 1440p QD-OLED panel, 240Hz refresh rate, and Pantone-validated colors for $599.
Most RTX 5090 laptops stretch to 18 inches to accommodate the thermals. The Acer Predator Helios 16 AI does it in a 16-inch chassis, and does it well.
A $600 MacBook would have been unusual even without the RAMpocalypse.