pretty informative post.
for the city, flat, urban environment, risers/flats are great. i used drops in the city for a while and liked it, but had nothing else to compare it to.
but now that i am out of a busy city, i find that i am wanting more to climb all the hills and get in the drops becuase it's so windy. it just makes life easier so we will see if i switch back to drops from flats