The Infocus IN122A has a maximum resolution of SVGA (800x600). That's 39% less resolution than a XGA (1024x768) data projector, which is the most common resolution.
This data projector's resolution (SVGA (800x600)) is actually the worst resolution amongst all 15000:1 contrast ratio data projectors that came out more than two years ago.
The best resolution amongst comparable types of data projector is 1080p (1920x1080).
Other projectors that have a resolution of SVGA (800x600) currently available that you might want to look at include the Infocus IN112A which has a better Rating; or the Vivitek D552 which is cheaper.
If the resolution of this multimedia projector is too low for you then you might also want to look at the Infocus IN124 ($390.99) (XGA (1024x768)) which is also higher rated.