Sanding drywall can take a significant portion of time if you're doing it all manually, which is why electrical sanders are such a godsend for service providers. The orbital sanders that are just about to be assessed below and also which offer the benefits discussed above are: PORTER-CABLE 7424XP 6-Inch Variable-Speed Brush, Bosch ROS20VSK 120-Volt Variable Speed Random Orbit Sander Package, DEWAL