DeWalt’s corded (DWS520) and 28-volt Li-Ion cordless (DC351) TrackSaws travel along aluminum track to deliver straight, precise and splinter-free cuts. They feature a straight-plunge mechanism and a riving knife. The 6-1⁄2"-dia. blade will cut through 2-1⁄8"-thick material with the saw on the track. A 1-1⁄4" dust port and variable speed control are also standard. Track lengths are 59" and 102". Prices range from $499 to $999 in 2009.