I think these have both been mentioned in reference to one another, but thought I'd ask you locals for a specific comparison under these circumstances: lunch with my mother who loves sweets and meatloaf (!comfort food w/ an emphasis on burger-and-potatoes) and my 18 yo teenaged niece who likes to eat a little more healthily. I haven't tried Milk but remember it being mentioned as possibly better food with delicious bakery goods as well. For the record, personally I adore Susina's teensy cookies but am a tad less thrilled with their other sweets (a function of baking the rest myself but never that smorgasbord of delicacies!).
If there's another locale that fits the bill our Hollywood-way, I'm all ears (and stomach),