For a 4000+ Lb car that doesn't seem too bad to me, but I'm waiting for the supercharged engine they have in the convertable concept
I saw one at the dealer the other day, looks so much better in person

. If only I had the money.... ( I would still keep the mystique of course).
::edit::
I'm also waiting for the six speed automatic they are talking to roush about, that would make up for the no manual a little