I also thought that Katharine did an excellent job, and was rahter surprised at how the judges cut her to pieces. She was trying NOT to oversing the sing, which is a good thing, as shouty is not the new good.
Elliott has the most lovely voice. I think that the reason that the audience doesn't get excited over him is because:
A. He's so damned consistent. B. He looks like the best-dressed troll under the bridge.
Chris did a good job, Taylor did a good job. Pickler was a trainwreck, and Paris tried too hard to make the song "different" from the original.