The highest resolution of the Acer X1373 is WXGA (1280x800). That's 30% more resolution than a XGA (1024x768) multimedia projector, which is the most common resolution.
This data projector's resolution (WXGA (1280x800)) is actually the best resolution across all 13000:1 contrast ratio multimedia projectors that are a comparable age to the X1373.
The worst resolution amongst comparable types of data projector is SVGA (800x600).
We think you might also be interested in some of the alternative projectors that have a resolution of WXGA (1280x800) currently available including the Benq TW523 (£345.96), or the Optoma W300 (£758.08) which has a better Rating.