We're almost afraid to post any information about this item because more people might actually buy it.
Some of us at Crave happen to think that the undying popularity of the Lightsaber is a sign of societal decay--or at least depressing nerdiness. But being equal-opportunity bloggers, we feel obligated to mention the "Lightsaber Umbrella" featured on Red Ferret.
There's not much to say, really--it's name pretty much sums it up. It lights up and keeps you dry. Or, more important, it keeps your DS Lite dry. (More photos here.)