Anyone who commutes to a big city knows how loud and distracting things can get -- whether it's the whine of a bus engine, a subway car's ca-clank or just that screaming baby seated behind you. Some folks may find cranking jams through their headphones helpful for blocking out the world, while others would prefer a bit more relative silence. Thankfully, in this modern age there exist headphones with noise-cancelling goodness to help you zone out.
Sony hasn't been a stranger to such cans, and recently introduced its $200 MDR-NC200D noise-cance
