As one of its daily deals, Best Buy via eBay offers the Dremel Idea Builder 3D Printer, model no. 3D20-01, for $799.99 with free shipping. That's the lowest total price we could find by $57, although it was a buck less in September. It features a 100-micron resolution, 3.5" IPS touchscreen, and build volume of up to 9" x 5.9" x 5.5". Deal ends today.
Note: This 3D printer can only use Dremel PLA filament.