If your going for "the best" add a few bucks and get premium screen. Myself I got my 43" (4K) six years ago and never looked back. But of course it depends also how large screen your videocard can drive. 43" gives you 2x 21"-windows plus some space at the bottom or a mass of windows easily accessible without Alt+tab.

Stair and next is Force, covers 9 out of the 10 most common letters.