We're all for power-sanding, but once the heavy work is done, corded tools can't compete with a little elbow grease.
Sanding a Teak Deck — Teakdecking Systems
The Nitty-Gritty of Sandpaper
Best Hand Sanding Tools for Artists –
Indoor Sanding Box and the Overworking of Keys 1932 - 1924 — 5000
Dura-Gold Pro Series Adjustable Radius Flex Longboard Hand Sanding
Get more life from abrasives
Hand Sanding Canadian Woodworking
Tips for Sanding Basics - FineWoodworking
Wood Magazine Jul 2008 No 184 w/ Router Tips, Patio Bar, Yo Yo, Knife Rack