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.
UX Archive Animated - iOS apps animated user flows
Dell Precision 7730 - Very robust 17" workstation with flexible configuration options, the cheapest display is not recommended however. Read review here.
UI Patterns - Level up with interactive mobile design patterns
HP ZBook 17 - The performance of a desktop with the freedom of a laptop.
UI Garage - Specific mobile and web design patterns for your inspiration