I absolutely agree. If I want coffee, I prefer Dunkin, black, no sugar. If I want a fancy latte, Starbucks.
I rarely buy coffee out--I think few places make it well. DD and Starbucks are both pretty bad, just in different ways. I home roast my coffee. Coincidentally enough, I have a batch of Sumatra Gayoland Organic fair trade roasting right now. Later on, I'll probably put up a batch of Malabar Gold, for espresso. I never add milk or sweetener.
We once took an unofficial poll looking at the coffee cups people were holding and it seems that three out of four were from Dunkin Donuts.