Saw this tour recently, and since I couldn't find any other thread about the tour, I figured I'd post my thoughts here. It was, in a word, exquisite. I've loved the score from the first time I heard it, and it held up the show even through the weakest moments of the book (which was, as others have pointed out, a bit uneven). The best moment of the show for me was "One Second and a Million Miles"- best song in the score, and beautifully acted and sung. Visually, it was one of the loveliest shows I've seen in a while, in part because of its simplicity and its gorgeous lighting (those sunsets, those stardrops...).
I didn't have the privilege of seeing O'Hara and Pasquale in anything except the promo clips/cast recording stuff, but I thought Stanley and Samonsky did a wonderful job. Stanley is anything but perky, but she does find Francesca's dry humor alongside her suppressed passionate nature. "Almost Real" and "Always Better" were particularly heartwrenching. Likewise, Samonsky didn't just play Robert as a bland "hunk", but found a nice balance between the dreamy romantic lead and the awkward dork who says dumb things around the woman he's falling for. And then there's "It All Fades Away." Powerful and emotional. A good chunk of the audience around me spent the last 10-15 minutes of the show sniffling- I myself teared up.
Maybe I'm just too easy to please, but I came into the show a bit wary, in part because of what I'd read on this thread, and I was pleasantly surprised. If anyone wants to know anything else about the tour, let me know and I'd be happy to answer any details :)