I agree with the others... deviated black carpet looks better with both red and terracotta leather. The terracotta carpet is pretty unappealing in my opinion. This is a nice example:
I also agree with Eric regarding painting the lowers and mirror attachments after you get he car. You can order new lowers, paint them before your car arrives, and still save money.
XM Radio is the one options I wish I did not order. I do not like the little wart above the rear window, XM programming sucks, and I mostly just use my iPod.