The folks at HotHardware say the Palit GeForce RTX 3080 GamingPro OC is a 'Big, Custom Ampere GPU that's just right for you.
At lower resolutions, you'll likely run into some CPU limits at this time, but high-framerate / high-refresh junkies or 4K (or above), there is nothing that can touch the GeForce RTX 3080 at this time in the $700-ish price range.