OK, my sitbones are VERY wide and I use a Brooks B68 on both my ROAD bikes.
Your roadie friend is out of the loop if he thinks Brooks don't look good on road bikes! Obviously he has limited taste.
Brooks look incredible on road bikes!:
http://i232.photobucket.com/albums/e...mintonback.jpg
and here's my bike:
my bike

A black Brooks would look fine on your silver/white/black bike.