Today, Epson unveiled a line of affordable projectors designed for small- and mid-size businesses. The EX-Series features three projectors with 2,600-lumen lamps that can last up to 5,000 hours in economy mode. All three projectors have handy features such as the ability to start up in only five seconds. Each one weighs just 5.1 pounds and comes with a soft carrying case and remote control. Resolution varies by model. The projectors, which start at $549, will be available this month at stores such as Best Buy, Staples, and Amazon.com. Plus, read more about projectors in 4 Great New Projectors.