The highest resolution supported by the Benq CH100 is 1920 x 1200 (WUXGA). That's over seven times the resolution of the most frequently found graphics resolution of 640 x 480 (VGA).
A 1920 x 1200 (WUXGA) graphics resolution is actually the best supported resolution across all comparable spec projectors that came out in the last 12 months.
A 640 x 480 (VGA) graphics resolution is the worst supported resolution across comparable types of projector.
If the resolution of this multimedia projector is too low for you then you might want to look at the EIKI EK-400X (640 x 480 (VGA and cheaper)|800 x 600 (SVGA and cheaper)|1024 x 768 (XGA and cheaper)|1280 x 1024 (SXGA and cheaper)|1280 x 768 (WXGA and cheaper)|1280 x 800 (WXGA and cheaper)|1360 x 768 (WXGA and cheaper)|1400 x 1050 (SXGA+ and cheaper)|1440 x 900 (WXGA+ and cheaper)|1600 x 1200 (UXGA and cheaper)|1680 x 1050 (WSXGA+ and cheaper) and cheaper); or the Benq SW921 (640 x 480 (VGA and higher rated)|1600 x 1200 (UXGA and higher rated) and higher rated).