I love Timbuk2 bags (and kinda hate that it costs too much postage to get a bespoke one in the UK), and I'm dead excited about their FLAP bag in development.
Basically - I shouldn't say that, should I - it's a solar powered LED light that's disguised as a messenger bag.
Dontcha love it?
And perfect for your cool-green credentials and the coming energy crisis. You read it here first(ish, I mean, it's the interwebs, ferchrissakes, there is no first anymore).