The reso head was warped, but that's because the drum was out of round. I brought it to GC, the guy took one look at it, and started ordering a replacement. That was on friday, I got the replacement today.
So I took a look at the rest of my drums, they're fine. I was messing around with the bass (trying to get a good recording sound), and the reso head felt weird to me at the bearing edge, so I pulled the head and took a look.
Here's one side:
Looks right on. Here's the other side:
Two different drums from the same line, from two different dealers.
I'm becoming a little disillusioned about DW at this point.