Wow, miko! Beautiful bikes. My first choice of transportation in the city is by bike. It's just as fast or faster than driving and I don't have to worry about parking. I've had several flat-handlebar roadbikes. Nothing too fancy so that I'm not too worried about theft. I've had this Marin Mill Valley for the past 2 years:
I changed the gears to suit my needs and installed spd pedals. Very fast, light and reasonably priced.