One thing I can not stress enough to my clients is to pay attention to details, both big and small, when you are thinking about designing any space. Designing a home required a million decisions and half of those we don't even think about (or notice) unless they are poorly executed. For example: you don't notice a light switch.... unless it is smack in the middle of a wall. Right?
Some details are meant to be hidden and some are meant to shine. Hardware is one of those little pieces to the puzzle that should make a statement. I like to think of it as the jewelry of the room.
Hardware can be used to dress up a space or give it a more rugged feel. Small hardware can sort of disappear or chunkier hardware can be used to make more of a bold statement. It can be used to create a more traditional or a more modern feel.
Dresser source: Bungalow 5
One thing that I love about hardware is that it can totally change the look of a piece of furniture or built-ins.... but it is relatively inexpensive and easy to swap out. So if you find a dresser or chest that you love but it has terrible pulls, don't sweat it.
hardware resource: Lewis Dolin
Pay extra attention to rooms that are heavy in hardware... particularly kitchens and bathrooms. Most of us don't have the time or energy to pay attention to every single dresser in our house and think through the knobs/pulls etc. So make your efforts count by paying close attention to hardware in main rooms, hardware-heavy spaces, curtain rods, door knobs, etc.