There was one in my hometown. Their coffee was always pretty fresh and fairly dark for stop-n-go coffee.
I honest could could on one hand how many donuts I'd eaten in my life before I moved to Canada.
Tim Horton's coffee isn't good, imo, but i have been seen eating a few more donut holes these days. So I guess now I'm just eating 3-4 whole donuts throughout the year

Their's are just about right for me sweet wise ,as the sour dough ones are the ones I pick from the litter.
DD's donuts always seemed very greasy and I could never get into eating them.
I've also not been known for my sweet tooth, so perhaps the whole answer should be void?