Mixing materials on the job by hand or with a power drill is a time-wasting chore. Diablo Mixers from Freud blend construction solutions of any viscosity with safety, control, and ease. Features include electronic "cruise control" to maintain constant rpm, automatic paddle-rotation brake to prevent binding or overload, and an ergonomic steering-wheel grip for user control and comfort. Available in single-speed 7-amp (DM800E) and dual-speed 13-amp (DM1602E) models. Price: $249 and $349. 800-334-4107.