Like most HD equipment, deciding which projector to buy isn't a simple task. Like televisions, there is more than one type of projector available to choose from and each has its benefits and drawbacks. There are two main types, LCD (Liquid Crystal Display) and DLP (Digital Light Processing). LCD projectors have been around for quite a while now, even longer than DLP. However, its maturity as a technology still hasn't completely eradicated its flaws.