[Crazy Jetty]

Honesly, none of them are nearly as interesting as the more standard type starfleet ships. The Akira is cool enough (Enough so that I want a representation), but all the others are left wanting.

Also, given their registry numbers predating the USS Galaxy (By a decade or two in some cases), they don't make much sense. The USS Pasteur also falls into this, but not as much.
However something I've noticed... all five ships (The Olympic, Akira, Steamrunner, Norway, and Saber) all have very simular design cues.
The first contact four of course are obviously related. The Olympic, any simular design cues are coincidental, but if you look at the nacelles, they do match up. A lot of the technical aspects (not the form itself) really do line up pretty well to the first contact four. And given that the olympic's regirstry lines up being contemporary with them, creates more cohesion (At least in my eyes it does), and makes this early 24th century run of starfleet ships make more sense.