What are the differences between LCD/DLP/HD projectors?
Which one would you recommend to hook up to a computer to do light-duty projection - e.g. light video, web-browsing, etc?
I would buy an DLP over LCD. That is because I have very good experiences with DLPs. However, either one will do for what you need. You also think ahead when buying an item like this. Plan for what you might use it in the future. Not just for what you need or want at the moment.
Get it from an expert: DLP and LCD Projector Technology Explained -- Project Point
Quick Review of Disadvantages and Advantages of each... Reference
LCD Projectors: Strengths
DLP Projectors: Strengths
LCD Projectors: Disadvantages
DLP Projectors: Disadvantages
LCD and DLP are different technologies that basically do the same job.
HD just means high definition - some projectors are high definition (like your computer screen or most new TVs) some aren't (like your DVD player or a very old computer screen).
When buying a projector, the most important considerations are: