BigDeals via eBay offers the open-box first-generation Google Chromecast Streaming Media Player, model no. GA3A00028A14, for $23.99 with free shipping. (Groupon has it for $20 plus $3.99 for shipping.) That's tied with our mention from two weeks ago and the lowest total price we could find today by $11. It attaches to your HDTV's HDMI port and connects to your wireless network to receive streaming online video, music, websites, and more from your smartphone, tablet, or laptop.
Note: This is a new unused item, but may be missing the original packaging, or in the original packaging but not sealed.