Solar bag
This is maybe not the most stylish bag on earth but with 4 watts of power enough
to refuel your gadgets.
Read the comments! The best I think are from people who use it or want to use it for cycling by night. This could evolve the Tour de France into a night show. Would be cool 
Treehugger also presents a hack to turn the Solar into a WiFi bag. To " Play multiplayer games with friends in the park, or blog an event in real-time."
from Steve via Wear-Hard Mailinglist