For general cooking, I usually buy Colavita. But my absolute favorite oil is a garlic-infused olive oil from The Oilerie. They have a few store locations around the US but I believe they also have a website where you can order online.
And they also have a 25-year aged balsamic vinegar that is...
Pomegranates supposedly have some amazing health benefits as well, including delaying signs of aging on skin. It reportedly helps to slow the breakdown of collagen and is being incorporated into several brands of skin care products.
I'm a vegetarian and LOVE to have fresh veggies on the grill. My favorites are red bell peppers, red onions, shiitake mushrooms, and asparagus. Marinate with a little olive oil, balasmic vinegar, and garlic.
Super quick and everyone loves it.