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