I own an Electra Rockabilly Boogy and my wife rides a June. They are great bikes, but designed for light recreational riding. They are a great way to get out and enjoy a summer evening or for zipping down to the local coffee shop for refreshments.
I've commuted on my RBB a time or two, but you're stuck having whatever it is you're carrying strapped to your body in one form or another.
Here is a sneak picture of what Electra might be releasing in 2009. Stylish and functional. Disc brakes? 8 speeds? Porteur rack? I think they're getting it.