I've got to chime in an endorsement of the premium sound - for the first time ever, I'm actually happy with the sound in a BMW. The stock system in our E39 was horrendous. The E60 was greatly improved, but still marginal. Premium E70 finally gets it right, although I'll never understand why they don't start using 6.5" drivers in the doors.

Although, if I had a baby on the way, I might not bother. What good is a great sound system when you don't use it? Does anybody know if the 2011 uses the 10 speaker system, or the atrocious 4 or 6 speaker setup? The 10 isn't so bad, but the 4 setup is basically inferior to a Honda Civic.