I like the body theme just fine, but I wish the last two weren't given the same clue. Usually, I enjoy the similar clues, but when there are four theme answers, I'd like them all to be clued differently. Or, alternatively, they could all have the same clue. But two different and two the same... well, it's not my favorite.
Other things rubbed me the wrong way, too, like IGLU (32D: Eskimo home: Var), ESTOP, ABOW, ACAN, and AJAX... wait, no, that last one is fine.
Seriously, though, there's some nice stuff in here. I liked TORPEDO (45D: Underwater missile), LAPAZ (5A: Bolivian capital), and OLEANNA (41A: Two-character David Mamet play). Even though Mamet's lost his way, politically, he still wrote some good stuff.
I also enjoyed this puzzle because tonight Frannie had PADTHAI (7D: Asian noodle dish with peanuts) and I had SUSHI (48A: Japanese fish dish) for dinner. Seems like it was meant to be.