With a suit, the Park Aves are best. They are fairly conservative, but not a "Dad's shoe."
I don't like the Sagamore, the Kenilworth is better, but still not nearly as good as a PA. Look at the 5th Ave as well.
The Firenze is a loafer, and not appropriate with a suit.
The Randolph is a nice shoe, but is also casual. If you want a shoe that can dress up or down, consider the McCallister or Strand
Wow, I'm happy for you guys to like what you like. But to me that shoe is the very definition of a 'Dad' shoe. As a matter of fact it looks pretty much exactly like a shoe my father would have worn. UGH!