Yes, the new chair at MUSC is supposed to be great--from Columbia U in NYC (worth clarifying when you hear "Columbia" in Charleston b/c half the time they are talking about Columbia, SC.) I heard a significant number of faculty departed when the old chair did, but maybe the dept has since regrouped...
The senior residents I met in person were by and large fairly anxious and uncertain as to how the turmoil had affected their training, although as you say, the PD has been a constant.
I also heard their didactics were sketchy, especially early in the residency, but that they were being improved upon by the new chair with lots of input from residents. The question is always, how long does it take for a program to stabilize? When are the didactics really up and running? Is this program excellent (or good enough) right NOW, or is it going to be in 5 years? Not always clear. At least things definitely seem to be on the upswing, and of course even the most stable-appearing program can have all kinds of earthquakes once you get there.
I was just warned to keep my eyes open there, so I asked a number of pointed questions and left (last year) feeling not totally reassured. I'm sure a lot may have changed in a year...