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eCost has the refurbished Microsoft Xbox 360 Premium System with 20GB Hard Drive for $134 + $19 shipping = $153 shipped. This is the HDMI version and includes one wireless controller and one headset.

Description:
Microsoft Xbox 360 Premium System w/ 20GB Hard Drive - XBOX360PREM

Introducing Xbox 360 from Microsoft, which delivers the most powerful console, the best games, the next generation of Xbox Live, and amazing digital entertainment experiences, all unprecedented in home console entertainment.

A 20GB detachable hard drive (optional) for downloading content and saving games, plus a headset. That is on top of the console itself, which not only plays games in high definition (HD) with 720p/1080i output and full surround sound, but can stream digital photos and music from your Windows XP or Windows Media Center Edition 2005 PC. Xbox 360 delivers the ultimate digital entertainment and gaming experience.