Techreplay via eBay offers the 3D Systems Cubify Cube 3D Printer, model no. 381000, for $279.99 with free shipping. That's tied with last month's mention as the lowest total price we've seen. (It's also a current low by $234.) It allows you to create parts up to 5.5" x 5.5" x 5.5".

Update: Checkout via Paypal and apply coupon code "C15SPRING" to cut the price to $264.99.