Newegg offers the SiliconDust HDHomeRun Dual 2-Tuner Media Player, model no. HDHR3-US, for $69.99. Coupon code "EMCELFJ38" drops the price to $52.49. With free shipping, that's $28 off and the lowest total price we could find. It enables your PC to record HDTV programs (up to 1080i) via your home network. It features two tuners to access two channels at once and is compatible with Windows, Mac, Android, and iOS via a range of apps. Note that it is not compatible with satellite TV. Deal ends July 17.
A 90-day warranty applies, although it's unclear who backs it.