decluttr_store via eBay offers the refurbished late-2014 Apple Mac mini Intel Haswell Core i5 1.4GHz Desktop for $344.99 with free shipping. That's $134 under the best price we could find for it new, although we saw an open-box unit for $31 less in March. Features include:
  • Intel Core i5-4260U 1.4GHz Haswell ULT dual-core processor
  • 4GB RAM
  • 500GB hard drive
  • 802.11ac wireless, Bluetooth 4.0, and Gigabit Ethernet
  • 2 Thunderbolt 2 ports, USB 3.0, and HDMI
  • Mac OS X 10.10 (Yosemite)
A 1-year warranty applies, although it's not clear who backs it.