Depends on how much you want to spend. The Harmony hub thingy that let's you use a smartphone or tablet is pretty badass. You can find it for under a hundred. I've also got a universal Visio remote in another room that isn't total shit. It was $20ish.
Harmony Remotes - Choose your Harmony Remote - Logitech
VIZIO 8 Device Universal Remote Control | XRU300 | VIZIO