The highest resolution of the Mitsubishi Electric UD8900U is WUXGA (1920x1200). That's over two times the resolution of the most frequently found native projector resolution of WXGA (1280x800).
A WUXGA (1920x1200) native projector resolution is in fact the best resolution amongst all data projectors that have been around for around the same time as the UD8900U.
The worst resolution amongst similar types of data projector is nHD (640x360).
It is worth also looking at different projectors that have a resolution of WUXGA (1920x1200) including a higher Kagoo Rating™ data projector such as the Infocus IN5554L (£4,438.80), the Epson G5450WU, or the Mitsubishi Electric UD8850U.