Walmart offers the refurbished Samsung WiFi Blu-ray Disc Player in Black, model no. JM57C/ZA, for $39.99. Opt for in-store pickup to avoid the $5.97 shipping fee. That's $15 under the price of a new one and the best deal we could find. It features built-in WiFi, Smart Apps (Netflix, Pandora, YouTube, and more), support for various video and audio formats, HDMI, and a remote.
Note, no warranty information is provided.