The NP-PA500 supports a maximum resolution of 1920 x 1200 (WUXGA). That's over seven times the resolution of the most frequently found supported graphics resolutions of 640 x 480 (VGA) (which is also supported by this NEC multimedia projector). This multimedia projector also support supported graphics resolutionss of 1024 x 768 (XGA), 1280 x 1024 (SXGA), 1400 x 1050 (SXGA+) and 1600 x 1200 (UXGA) and 800 x 600 (SVGA).
A 1920 x 1200 (WUXGA) supported graphics resolutions is in fact the best supported resolution amongst all multimedia projectors that have been around for a comparable time to the NP-PA500.
The worst supported resolution across comparable types of projector is 640 x 480 (VGA).