more as the double price-Ultimaker & Makerbot & Cube Pro vs next Da Vinci 2.1 - why ?

[fwgdocs]

what are the reasons ?

• quality of the finish 3D product ?
• speed from print begin to the finish 3D product ?
• or general quality and supply of spare parts of the Da Vinci 3d printer

background - current selection of my 3D Printer invest

Specifications of the da Vinci 2.1 AiO are as follows:

• Technique: FFF (Fused Filament Fabrication)
• Printer Size: 46.8 x 51 x 55.8 cm
• Display: 5” FSTN LCM
• Build Size: 15(X Axis) x 20 x 19(Z Axis)cm
• Layer Thickness: 0.4/0.3/0.2/0.1mm
• Dual Scan Engine: 2M Pixel
• Scan Volume: 15x15x15cm scanning volume

http://3dprint.com/5048/da-vinci-1-0-aio-2-1-aio/