There's a Trader Joe's close-ish to where I work, but unfortunately I take the metro so it sorta prevents me from doing any shopping there. There's a Giant closer to my apartment, so that's where the majority of groceries are bought.
TJ's is pretty cool, good prices! Can't always find exactly what I want though. Whole Foods is just...super expensive. Neat, but you can't always find what you want either (unless it's super organic super expensive).