Amazon offers Prime members the Valve Steam Link for $14.99 with free shipping. That's tied with our June mention as the lowest price we've seen. (It's the best price today by $35.) It streams games from your PC to your TV and is compatible with Steam, Xbox One, and Xbox 360 controllers.

Note: It's currently on backorder, but can be purchased at this price for delivery when available. Alternatively, Steam now charges the same price.