ok i recently sold my 03 CS touring Z a couple months ago and now im about to get another one and i was wondering does the 05 with navi play mp3 cd's like the 05 g35 coupes....and is it not optional to get the reverse camera with the navi?

 

AFAIK (As far as I know) no and no. But I'm not postive on that. Someone that actually has it might be able to comment.