Dahon, easily the world's largest folding bike manufacturer, is celebrating their 30th anniversary this year. They've incorporated IGH in their bikes from the first, and are one of the few bike companies in the world that uses IGHs from NuVinci, Shimano, SRAM _and_ Sturmey-Archer on various models.
They're going to issue a special anniversary bike with (thirty gears, of course!):
A race-prep'ed version of this bike just won the London Nocturne folding bike race (@1:24):