Lowes, Home Depot, and Sears are a good place to drop by to pick up consumer-level power tools and basic hardware. However, if you need higher quality equipment, specialty hardware, and good finishing supplies, look for a Woodcraft store near you. The closest one to our residence is in Springfield, VA:
Concord Shopping Center 6123 Backlick Road Springfield, VA 22150 703-912-6727
In the same plaza is an amazing hardware store: Fischer Hardware. These guys literally have every type of hardware, paints, and finishes imaginable and a bunch of other things as well such as cooking utensils. Their staff is also well-trained and will go the extra mile to help you find what you need.