Irwin (manufacturer of numerous tools, including the well-known Vise-Grip™ line) is giving away a Miter Saw Laser Guide each day between now and May 26, 2006. They’re also giving away a pair of Quick Grip XP 24″ Clamps every day until June 2, 2006.
You give them your information, they (maybe) give you a tool.
The Laser Guide seems pretty slick. You replace the washer on your old-non-laser-equipped miter saw with it and you’re all caught up on 21st century miter saw tech.