Originally Posted by
maltess2
Yes, thatīs what I thought. What would be the difference oradvantages of using MTB componentry vs. road for city commuting use?
I would speculate this:
Since both are highly rated, I would expect the MTB componentry to stand up to more abuse. OTOH, I'd expect the 105/Tiagra combo to be smoother in shifting, since road bikes are expected to be used in races.
However in reality, it most probably doesn't make any difference at all! 
PS.
Most people are more satisfied with vehicles that not only perform well, but look good too!
That's actually how I've always selected my cars and women...
That said, get the Bassano! 