I've had my 328i Luxury in Midnight Blue for a couple of weeks now and still absolutely love it.
Pics on this thread
http://www.f30post.com/forums/showthread.php?t=884601
The interior on mine is Venetian Beige with Burr Walnut trim and I think it works extremely well, but personally I always go for light interiors. I'll try and post some interior shots tomorrow.
Choices . . . it's mind boggling,
Good luck.