Today's portable projectors use two competing technologies discussed above: LCD (liquid crystal display) and DLP (digital light processing). For typical business presentations, either technology should be fine. But there are subtle differences. LCD projectors generally produce richer colours. LCDs also produce better full-motion video and delivers a somewhat sharper image than DLP at any given resolution. The difference here is more relevant for detailed financial spreadsheet presentations than it is for video. This is not to say that DLP is fuzzy--it isn't. When you look at a spreadsheet projected by a DLP projector it looks clear enough. It's just that when a DLP is placed side-by-side with a LCD, the LCD typically looks a little bit sharper in comparison. Another benefit of LCD is that it is more light efficient. LCD projectors can produce significantly higher ANSI lumen outputs than do DLPs with the same wattage lamp.