The highest resolution of the Hitachi CP-WU5505 is WUXGA (1920x1200). That's over two times the resolution of the most common native projector resolution of WXGA (1280x800).
This multimedia projector's resolution (WUXGA (1920x1200)) is in fact the best resolution across all new 10000:1 contrast ratio data projectors.
An XGA (1024x768) native projector resolution is the worst resolution across similar types of multimedia projector.
We think you might also be interested in some of the alternative projectors that have a resolution of WUXGA (1920x1200) currently available including cheaper multimedia projectors such as the Hitachi CP-WU5500 ($1,989.99).