I prefer brushed alum w / red stripe trim. I got Glacier Silver with black Dakota leather seats w / red trim.
But honestly, get what you want. Don't ask us. If I asked people on this forum what to get, and based a decision on it, I'd be very unhappy right now...
2013 335i: Sport Line, Premium, Technology, DHP, HK, 8 Speed Sport w/Paddles, Heated Seats, PDC, Camera