The MW632ST supports a maximum resolution of 1920 x 1200 (WUXGA). That's over seven times the resolution of the most common graphics resolution of 640 x 480 (VGA).
This projector's resolution (1920 x 1200 (WUXGA)) is in fact the best supported resolution amongst all 13000:1 contrast ratio multimedia projectors that have been around for more than a year.
A 640 x 480 (VGA) graphics resolution is the worst supported resolution amongst similar types of projector.
We think you might also be interested in some of the alternative data projectors that support a resolution of 640 x 480 (VGA)|1920 x 1200 (WUXGA) currently available including because of it's better review score, the Benq MX631ST (£454.97).
If the resolution of this projector is too low for you then you might want to look at the Benq MX666 (1024 x 768 (XGA and cheaper)|1600 x 1200 (UXGA and cheaper)|640 x 480 (VGA and cheaper) and cheaper).