The highest resolution supported by the Acer S1213 is 1920 x 1200 (WUXGA). That's over seven times the resolution of a 640 x 480 (VGA) data projector, which is the most frequently found resolution supported by 10000:1 contrast ratio data projectors that have been on the market for more than two years. In addition, this data projector supports a supported graphics resolutions of 1024 x 768 (XGA).
This multimedia projector's resolution (1920 x 1200 (WUXGA)) is in fact the best supported resolution amongst all 10000:1 contrast ratio data projectors that came out around the same time as the S1213.
Amongst comparable types of multimedia projector the worst supported resolution is 640 x 480 (VGA).