Newegg offers the Zotac ZBOX Intel Celeron 1.4GHz Barebones Mini Desktop PC, model no. ZBOX-BI320-U, for $89.99 with free shipping. That's tied with our mention from three weeks ago, which included a VGA adapter, and the lowest total price we could find by $26. Features include an integrated Intel Celeron 2957U 1.4GHz dual-core processor, 2.5" SATA bay, two 204-pin DDR3L-1600 SO-DIMM slots (supports up to 16GB RAM), HDMI, and USB 3.0. Note that no operating system is included.
If you haven't yet, use coupon code "MBLMASTER15" and pay via MasterPass using Newegg's mobile site to cut it further to $74.99. (This discount can only be used once per account.)