this machine be so easy to set up and operate and the picture quality be excellent . the ability to connect you presentation with a flash drive to the usb plug n play save I from drag a laptop with I to do a presentation . when I do need the laptop the connectivity its such a breeze and I have no difficulty connect or set up . it display video very well and even in room with a lot of light . I use the Epson at a conference with about 350 people and with the 2600 lumen it be easy to see anywhere in the room , excellent color and easy set up . very satisfy with my purchase .