As a proponent of Olive Garden as a "hey, that's a place I can get something relatively low-cal and healthy" I thought this article was interesting.
Particularly:
Olive Garden Picks: CSPI’s lab tests found 790 calories in the Linguine alla Marinara—more than the 550 calories the chain reports. Capellini Pomodoro, pasta with tomatoes, garlic, basil, and olive oil, also had more calories that the company stated (990 as opposed to 640). But both dishes had only 2 grams of saturated fat. “Garden Fare” items such as Venetian Apricot Chicken (450 calories), Shrimp Primavera (690 calories), and Pork Filettino (if ordered with vegetables, not potatoes, just 340 calories) are among the best choices.