Others will scowl at this.... but wear safety shoes. I'm a city commuter too, but have the added disadvantage of really (stupidly) small feet. I have to wear safety shoes (well I wear boots) at work, and have found them the easiest way of changing gear for me.
Gina
03 America - Pretty stock - except the TBS wheel...

06 America - missing, presumed in bits. With it's TBS wheel...

09 America - It's very blue....