The highest resolution of the EB-Z10005U is WUXGA (1920x1200). That's over two times the resolution of the most frequently found projector native resolution of XGA (1024x768).
A WUXGA (1920x1200) projector native resolution is actually the best resolution across all comparable spec data projectors that have been available for a similar time to this projector.
The worst resolution across similar types of projector is SVGA (800x600).
What does "projector native resolution" mean?