Tom's Hardware Guide PCs & HowTo: Supersize Your TV for $300: Build Your Own XGA Projector! - Giant Wall Display: "The well-known auction portal eBay has just about everything. For some time now, several sellers there have offered instructions for building a so-called 'multimedia projector', as well as other 'bargains' designed to help the customer get a giant screen at home without too much financial outlay. This is how it works: the seller offers a PDF construction guide for $20 in a 'buy it now' auction that contains everything the customer needs to know. But does it really work? "