Microsoft Surface Book 2 (15-inch) - Microsoft Surface Book 2 (15-inch) is a laptop and tablet that can handle the modern PC games.
System76 Oryx Pro - System76 Oryx Pro is a powerful and customizable laptop that comes with Linux pre-installed, but y can easily install Window and dual-boot if you want to use it for Windows development or gaming.
Microsoft Surface Laptop - Microsoft's answer to the MacBook Air
Dell Precision 7730 - Very robust 17" workstation with flexible configuration options, the cheapest display is not recommended however. Read review here.
Surface Pro - A new, more powerful Surface Pro
HP ZBook 17 - The performance of a desktop with the freedom of a laptop.