Valve's handheld will set you back an additional $100 compared to Asus's right now (it's got a full $549 MSRP). Where usually this is considered the budget alternative to the best gaming handheld PC ...
ASUS ROG unveils the 27-inch 4K OLED PG27UCDM monitor with 240Hz refresh rate, Anti-Flicker tech, and advanced screen care.