The VPL-VW1000ES supports a maximum resolution of 4096 x 2160. That's over four times the resolution of a 1600 x 1200 (UXGA) multimedia projector, which is the most common resolution supported by comparable spec projectors that have been around for more than two years. In addition, this multimedia projector supports a supported graphics resolutions of 3840 x 2160.
This multimedia projector's resolution (4096 x 2160) is in fact the best supported resolution across all multimedia projectors that have been available for around the same time as the VPL-VW1000ES.
A 640 x 400 supported graphics resolutions is the worst supported resolution across similar types of multimedia projector.