They definitely have room to grow as a band, and I think they've found their sound, per se, but haven't quite ran with it yet. But I do hear something really fresh and poignant about Reach for the Sun. Although, I'm a bit biased since they're a hometown band.
The Starting Line similarities are impossible to ignore when it comes to AJ's vocals, although I think they're at least starting on their own path instrumentally.
Relient K is so good! You'll love it. I never got into the band before, and then I gave this album a go. It's golden.
Have you heard Mmmhmm or Five Score? Those two are both great as well.