I love both, I don't think they are really comparible, both require very refined acting skills, most of the time.
Dracula is a good case in point in that despite the sets and costumes it failed miserably. There are more factors that can help a musical, but that also means there are many more things that can fail.
My Actor in a play predictions:
Earl-Jones
O'Byrne
Irwin
Crudup*
Reilly*
*(unless the 12 Angry Men are elligible)
(Bosco)
(Gaines)
I stand corrected, you are as vapid as they say.