Profile for theabnormal1

I'm looking to see American Idiot soon at St James Theatre, and I'd like to get good mezzanine seats. The site I'm looking at has shown some Row C, but they are pretty close to the seats in the 30s which is pretty far off to the right and left, and some row J pretty close to seats in the single digits so they are close to the aisle. I'm wondering what I am better off with? I don't know how much my view would be blocked if I'm too far off to the side, and how significantly far back row J would be