In the supplement of Kristian Carlson and colleagues' paper on the MH1 endocast , there's a nice comparison of the medical CT versus synchotron images. My blog sizing can't do it justice, and to be honest, the online PDF in Science doesn't either, but you get the idea:
You know, someday we'll all have these data for the entire fossil record, and students won't think a thing of it.
- . The Endocast of MH1, Australopithecus sediba. Science. 2011;333(6048):1402 - 1407.