This corded electric palm sander from HICO has a 2A motor that operates at up to 12,000 RPM. (geekwrapped.com)
We actually used our orbital palm sander for to save a trip and save money... just took a bit longer;). (lehmanlane.net)
Most palm sander reviews will mention the main advantage of a random orbital sander: they don't leave behind circular marks, but work well for fine detail work as well as smoothing down rough surfaces. (geekwrapped.com)